CN215886642U - Integrated treatment equipment for treating underground water polluted by heavy metal and organic matters - Google Patents
Integrated treatment equipment for treating underground water polluted by heavy metal and organic matters Download PDFInfo
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- CN215886642U CN215886642U CN202122423011.9U CN202122423011U CN215886642U CN 215886642 U CN215886642 U CN 215886642U CN 202122423011 U CN202122423011 U CN 202122423011U CN 215886642 U CN215886642 U CN 215886642U
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Abstract
The utility model discloses integrated treatment equipment for treating underground water polluted by heavy metals and organic matters, which comprises an adjusting buffer tank, a multistage reaction tank, a sedimentation tank, a pH adjusting tank, a filtering tank, an intermediate water tank, a water outlet and flow monitoring tank, a water pump and an automatic reagent feeding device, wherein the adjusting buffer tank is connected with the multistage reaction tank through a pipeline; the automatic reagent adding device is respectively connected with the multistage reaction tank and the pH adjusting tank; a group of water pumps are arranged in the adjusting buffer tank and connected with the multi-stage reaction tank, and all the stages of the multi-stage reaction tank are arranged in parallel and connected with the sedimentation tank; the sedimentation tank is connected with a pH adjusting tank; the pH adjusting tank is connected with the filtering tank; the filter tank is connected with the middle water tank; the middle water tank is connected with a water outlet and flow monitoring tank; and another group of water pumps are arranged in the water outlet and flow monitoring pool and discharge treated water through a drain pipe. The utility model can control and adjust the type, the adding amount, the mixing mode and the reaction rate of the treatment agent in the treatment process, and observe and record the pH condition before and after the treatment of the polluted groundwater.
Description
Technical Field
The utility model relates to sewage treatment equipment, in particular to integrated treatment equipment for treating underground water polluted by heavy metals and organic matters.
Background
Underground water is an important component of water resources, and accounts for about one third of the total amount of water resources in China. Because of stable water quantity and good water quality, the underground water is one of important water sources of agricultural irrigation, industrial production water and urban domestic water, and about one fifth of the total water supply in China comes from the underground water. With the development of society, harmful substances generated by production and construction activities enter underground water to cause the change of chemical components, physical properties and biological characteristics of the underground water, so that the quality of the underground water is gradually reduced. The pollution of the underground water changes the basic resources and ecological attributes of the underground water, influences the use function and value of the underground water, and causes environmental risks and environmental safety problems which are worthy of concern. Therefore, remediation of contaminated groundwater is not very slow.
Common underground water pollution mainly comprises heavy metal pollution and organic matter pollution, and the corresponding polluted underground water restoration treatment methods are various, such as in-situ treatment, extraction treatment, permeable reactive barrier treatment, natural attenuation monitoring and the like. Generally, the extraction treatment method is direct and simple, namely the polluted underground water is extracted to the ground surface by adopting a specific extraction technology and then treated. Because the types and the pollution degrees of underground water pollutants in various regions are different and the site treatment conditions are also different, the integrated treatment equipment for the polluted underground water, which has strong adaptability, good treatment effect and flexible movement, is necessary to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides integrated treatment equipment for polluted underground water, which is used for treating underground water polluted by heavy metals and organic matters under different pollution degrees.
The technical scheme adopted by the utility model is as follows:
an integrated treatment device for treating underground water polluted by heavy metal and organic matters is characterized by comprising a regulating buffer tank, a multistage reaction tank, a sedimentation tank, a pH adjusting tank, a filtering tank, an intermediate water tank, a water outlet and flow monitoring tank, a water pump and an automatic reagent feeding device; the automatic medicament adding device is respectively connected with the multistage reaction tank and the pH adjusting tank; a group of water pumps are arranged in the adjusting buffer tank and connected with the multistage reaction tank, and all the stages of the multistage reaction tank are arranged in parallel and connected with the sedimentation tank; the sedimentation tank is connected with a pH adjusting tank; the pH adjusting tank is connected with the filtering tank; the filter tank is connected with the middle water tank; the middle water tank is connected with a water outlet and flow monitoring tank; and another group of water pumps is arranged in the water outlet and flow monitoring pool and discharges treated outlet water through a drain pipe.
Preferably, the sludge drying device further comprises a sludge drying tank and a water collecting tank, wherein a water collecting pipe is arranged at the bottom of the sludge drying tank and is connected with the water collecting tank; the water collecting tank is connected with the adjusting buffer tank through a third group of water pumps.
Preferably, a groove is formed in the bottom of the sludge drying tank, and the water collecting pipe is fixed in the groove; the bottom of the sludge drying tank is provided with a gradient which is not less than one percent.
Preferably, the bottom of the sedimentation tank is provided with a slope not less than.% to the mud collection hopper; and the tail end of the sedimentation tank is provided with an overflow weir, and the overflow weir is connected with the pH adjusting tank through an overflow pipe.
Preferably, the overflow pipe is provided with a slope of not less than.
Preferably, all be equipped with the fixed bolster on multistage reaction tank and the pH adjusting tank, all be equipped with agitating unit on every group fixed bolster, agitating unit is equipped with speed adjusting device, can adjust the rotational speed in certain extent.
Preferably, the blades of the stirring device are single-layer or multi-layer, and the diameter of the blades is not more than the length of the side of the pool body.
Preferably, still be equipped with pH monitoring devices on every group fixed bolster, pH monitoring devices part stretches into in the multistage reaction pond, can monitor the waste water pH value in multistage reaction pond and the pH adjusting pond.
Preferably, a flow real-time monitoring device is arranged in the water outlet and flow monitoring pool.
Preferably, the filtering tank is provided with a fixed grid plate and a filtering unit.
The utility model can realize the storage, the dosing reaction, the sedimentation, the filtration and the sludge drying of the underground water polluted by heavy metal and organic matters with different pollution degrees, can control and adjust the type and the dosing amount of a treatment medicament in the treatment process, can control and adjust the mixing mode and the reaction rate of the medicament, and can observe and record the pH condition before and after the treatment of the polluted underground water. The utility model has high efficiency, complete functions and convenient operation, is convenient for effective application in different places, and is a practical and novel integrated treatment device for treating underground water polluted by heavy metals and organic matters.
Drawings
Fig. 1 is a schematic view of the main structure of the present invention.
FIG. 2 is a schematic view of the structure of a sludge hopper and a sludge drying tank according to the present invention.
The numbers in the figure are as follows:
1. adjusting a buffer pool; 2. a multi-stage reaction tank; 3. a sedimentation tank; 4. a pH adjusting tank; 5. a filtration tank; 6. a middle water tank; 7. a water outlet and flow monitoring pool; 8. a sludge drying tank; 9. a water collecting tank; 10. a water pump; 11. a mud collection hopper; 12. a sludge discharge pipe; 13. a water collection pipe; 14. a stirring device; 15. a medicament automatic feeding device; 16. a pH monitoring device; 17. an overflow pipe; 18. and an overflow weir.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in fig. 1 and fig. 2, the utility model discloses an integrated treatment device for treating groundwater polluted by heavy metals and organic matters, which comprises an adjusting buffer tank 1, a multistage reaction tank 2, a sedimentation tank 3, a pH adjusting tank 4, a filtering tank 5, an intermediate water tank 6, a water outlet and flow monitoring tank 7, a sludge drying tank 8, a water collecting tank 9, a water pump 10, a sludge collecting hopper 11, a sludge discharge pipe 12, a water collecting pipe 13, a stirring device 14, an automatic reagent adding device 15, a pH monitoring device 16, an overflow pipe 17 and an overflow weir 18;
the multistage reaction tank 2 adopts a three-stage reaction tank, and a group of water pumps 10 in the regulating buffer tank 1 are connected with a first-stage reaction tank of the multistage reaction tank 2 through a drain pipe; the third stage reaction tank of the multi-stage reaction tank 2 is connected with the sedimentation tank 3 through a perforated plate; the sedimentation tank 3 is connected with the pH adjusting tank 4 through an overflow pipe 17; the pH adjusting tank 4 is connected with the filtering tank 5 through a perforated plate; the filtering tank 5 is connected with the middle water tank 6 through a perforated plate; a plurality of overflow holes are arranged on the middle water tank 6 and are connected with a water outlet and flow monitoring tank 7 through the overflow holes; the effluent and flow monitoring pool 7 is connected with a drain pipe through another group of water pumps 10 to discharge treated effluent;
the automatic reagent adding device 15 is respectively connected with the multistage reaction tank 2 and the pH adjusting tank 4 through pipelines and is used for respectively adding different functional reagents into the multistage reaction tank and the pH adjusting tank; and the automatic medicament adding device 15 is provided with a flow regulating device, and the adding amount of the medicament is regulated by the flow regulating device.
The bottom parts of the multistage reaction tank 2 and the sedimentation tank 3 are respectively provided with a sludge collecting hopper 11; each sludge collecting hopper 11 is provided with a sludge discharge pipe 12, and the sludge collecting hoppers 11 are connected with the sludge drying tank 8 through the sludge discharge pipes 12; the sludge drying tank 8 is connected with a water collecting tank 9 through a water collecting pipe 13; the water collecting tank 9 is connected with the adjusting buffer tank 1 through a third group of water pumps and a drain pipe;
further, the sludge drying tank 8 is provided with a multi-stage filtering unit, the bottom of the sludge drying tank 8 is provided with a groove, and the water collecting pipe 13 is fixed in the groove; the bottom of the sludge drying pool 8 is provided with a gradient which is not less than 0.5% towards the water collecting pool 9.
Further, the bottom of the sedimentation tank 3 is provided with a slope not less than 0.5% towards the mud collection hopper 11; the end of the sedimentation tank 3 is provided with an overflow weir 18, and the overflow weir 18 is connected with the pH adjusting tank 4 through an overflow pipe 17.
Further, the overflow pipe 17 is provided with a slope of not less than 0.5%.
Further, all be equipped with the fixed bolster on multistage reaction tank 2 and the pH adjusting tank 4, all be equipped with agitating unit 14 on every group fixed bolster to guarantee that medicament and sewage fully react. The stirring device 14 is provided with a speed regulating device, the rotating speed can be regulated within a certain range, blades of the stirring device 14 are single-layer or multi-layer, and the diameter of each blade is not more than 1/2 of the side length of the tank body.
Further, still be equipped with pH monitoring devices 16 on every group fixed bolster, pH monitoring devices 16 part stretches into multistage reaction tank 2 in, can monitor the waste water pH value in multistage reaction tank 2 and the pH adjusting tank 4.
Furthermore, a real-time flow monitoring device is arranged in the water outlet and flow monitoring pool 7.
Further, the filtering tank 5 is provided with a fixed grid plate and a filtering unit.
Further, each group of water pumps 10 is provided with an adjusting device, and the flow rate can be adjusted within a certain range.
Further, a pH monitoring device 16 is disposed in the filtering tank 5.
The working principle of the utility model is as follows:
when the device is normally used, heavy metal and organic matter polluted underground water enters the adjusting buffer tank 1 from an arrow in figure 1, and is delivered to the multistage reaction tank 2 through the water pump 10, the reaction tank is divided into three stages, and each stage is provided with the stirring device 14, so that the full reaction of the medicament and the sewage is ensured.
The type and the adding amount of the medicament selected by the automatic medicament adding device 15 are determined according to the pollution condition of the inlet water and the water quality parameters, the treatment medicament is added into the multistage reaction tank, the pH monitoring devices 16 are arranged on the first stage and the third stage of the reaction tank 2, and the parameters such as the concentration, the adding amount and the like of the medicament can be adjusted according to the monitoring numerical value condition, so that the treatment effect is ensured.
All levels of the reaction tank 2 are connected through perforated plates, polluted underground water enters the sedimentation tank 3 through the perforated plates after the reaction is finished, the sedimentation tank has certain sedimentation time, and sedimentation effluent flows into the overflow pipe 17 through the overflow weir 18 and enters the pH adjusting tank 4. The pH adjusting tank is divided into two stages and is used for adjusting the pH value of the effluent after dosing treatment and precipitation, and each stage is provided with a stirring device 14 to ensure that the medicament fully reacts with the sewage. The second stage of the pH adjusting tank is provided with a pH monitoring device which is used for interlocking and controlling a medicament automatic feeding device so that the pH of the effluent of the pH adjusting tank reaches neutral. The pH adjusting tank is connected with the filtering tank 5 through a perforated plate, a fixed grid plate and a filtering unit are arranged in the filtering tank 5, main filtering materials in the filtering unit are determined according to the water quality condition of inlet water, and a pH monitoring device 16 is arranged in the filtering tank 5 and can automatically interlock or manually adjust the preorder medicament adding parameters under the condition of real-time monitoring. The middle water tank 6 is connected with the filtering tank 5 through a perforated plate and is used for water quality observation and sampling detection. The effluent and flow monitoring tank 7 is connected to the intermediate water tank 6 via overflow holes, and the treated effluent is discharged from the apparatus via a water pump 10 in the direction indicated by the arrow in fig. 1. The water pump 10 is connected with a flowmeter for recording the real-time treated water outlet flow and the accumulated flow.
The multistage reaction tank 2 and the sedimentation tank 3 are provided with a plurality of sludge hoppers 11 which are all provided with sludge discharge pipes 12, and sludge generated by chemical adding reaction and sedimentation enters the sludge drying tank 8 through the sludge discharge pipes for centralized drying. The sludge drying tank 8 is internally provided with a multi-stage filtering unit for separating mud from water, the bottom of the sludge drying tank is provided with a water collecting pipe 13 in a sieve pipe form, sewage separated from sludge enters the water collecting tank 9 through the water collecting pipe 13 and is periodically and quantitatively discharged into the adjusting buffer tank 1 through the water pump 10 to be treated together with inlet water, and the outlet water of equipment is ensured to be treated.
And (4) quantitatively collecting the dried sludge in the sludge drying tank at regular intervals according to the actual production condition and entrusting outward transportation for disposal.
The utility model can realize the storage, the dosing reaction, the sedimentation, the filtration and the sludge drying of the underground water polluted by heavy metal and organic matters with different pollution degrees, can control and adjust the type and the dosing amount of a treatment medicament in the treatment process, can control and adjust the mixing mode and the reaction rate of the medicament, and can observe and record the pH condition before and after the treatment of the polluted underground water. By adjusting and controlling the parameter conditions such as the type and the proportion of the medicament, the adding amount of the medicament, the reaction time, the type and the filling amount of the filler, the underground water polluted by heavy metal and organic matters with different concentrations and different types can be treated, the method can be flexibly applied to different environments, and has better treatment effect.
The utility model has high efficiency, complete functions and convenient operation, is convenient for effective application in different places, and is a practical and novel integrated treatment device for treating underground water polluted by heavy metals and organic matters.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (10)
1. An integrated treatment device for treating underground water polluted by heavy metals and organic matters is characterized by comprising a regulating buffer tank (1), a multistage reaction tank (2), a sedimentation tank (3), a pH adjusting tank (4), a filtering tank (5), an intermediate water tank (6), a water outlet and flow monitoring tank (7), a water pump (10) and an automatic reagent adding device (15); the automatic medicament adding device (15) is respectively connected with the multistage reaction tank (2) and the sedimentation tank (3); a group of water pumps (10) are arranged in the adjusting buffer tank (1), the group of water pumps (10) are connected with the multistage reaction tank (2), and all stages of the multistage reaction tank (2) are arranged in parallel and connected with the sedimentation tank (3); the sedimentation tank (3) is connected with a pH adjusting tank (4); the pH adjusting tank (4) is connected with the filtering tank (5); the filtering tank (5) is connected with the middle water tank (6); the middle water tank (6) is connected with a water outlet and flow monitoring tank (7); and the water outlet and flow monitoring pool (7) is internally provided with another group of water pumps (10) which discharge the treated water through a water discharge pipe.
2. The integrated treatment equipment for treating the underground water polluted by the heavy metals and the organic matters according to claim 1, further comprising a sludge drying tank (8) and a water collecting tank (9), wherein a water collecting pipe (13) is arranged at the bottom of the sludge drying tank (8), and the water collecting pipe (13) is connected with the water collecting tank (9); the water collecting tank (9) is connected with the adjusting buffer tank (1) through a third group of water pumps (10).
3. The integrated treatment equipment for treating the groundwater polluted by the heavy metal and the organic matter according to claim 2, wherein a groove is formed in the bottom of the sludge drying tank (8), and the water collecting pipe (13) is fixed in the groove; the bottom of the sludge drying tank (8) is provided with a gradient not less than 0.5% towards the water collecting tank (9).
4. The integrated treatment equipment for treating the groundwater polluted by the heavy metals and the organic matters according to claim 1, wherein the bottom of the sedimentation tank (3) is provided with a slope not less than 0.5% towards a mud collection hopper (11); the tail end of the sedimentation tank (3) is provided with an overflow weir (18), and the overflow weir (18) is connected with the pH adjusting tank (4) through an overflow pipe (17).
5. An integrated treatment plant for treatment of heavy metals and organic pollutants in groundwater according to claim 4, characterized in that the overflow pipe (17) is provided with a gradient of not less than 0.5%.
6. The integrated treatment equipment for treating the groundwater polluted by the heavy metals and the organic matters according to claim 1, wherein the multistage reaction tank (2) and the pH adjusting tank (4) are respectively provided with a fixed support, each group of fixed supports is provided with a stirring device (14), and the stirring devices (14) are provided with speed adjusting devices, so that the rotating speed can be adjusted within a certain range.
7. The integrated treatment equipment for treating the groundwater polluted by the heavy metal and the organic matter according to claim 6, wherein the blades of the stirring device (14) are single-layer or multi-layer, and the diameter of the blades is not more than 1/2 on the side length of the tank body.
8. The integrated treatment equipment for treating the underground water polluted by the heavy metals and the organic matters according to any one of claims 6 or 7, wherein each group of fixed supports is further provided with a pH monitoring device (16), and the pH monitoring device (16) partially extends into the multistage reaction tank (2) and can monitor the pH value of the wastewater in the multistage reaction tank (2) and the pH adjusting tank (4).
9. The integrated treatment equipment for treating the groundwater polluted by the heavy metal and the organic matter according to claim 1, wherein a real-time flow monitoring device is arranged in the effluent and flow monitoring pool (7).
10. An integrated treatment apparatus for treatment of heavy metal and organic contaminated groundwater according to claim 1, wherein the filtering tank (5) is provided with a fixed grid plate and a filtering unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122423011.9U CN215886642U (en) | 2021-10-09 | 2021-10-09 | Integrated treatment equipment for treating underground water polluted by heavy metal and organic matters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122423011.9U CN215886642U (en) | 2021-10-09 | 2021-10-09 | Integrated treatment equipment for treating underground water polluted by heavy metal and organic matters |
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| Publication Number | Publication Date |
|---|---|
| CN215886642U true CN215886642U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122423011.9U Active CN215886642U (en) | 2021-10-09 | 2021-10-09 | Integrated treatment equipment for treating underground water polluted by heavy metal and organic matters |
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| CN (1) | CN215886642U (en) |
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2021
- 2021-10-09 CN CN202122423011.9U patent/CN215886642U/en active Active
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