CN223722904U - Secondary micro-flocculation integrated water purifying device - Google Patents
Secondary micro-flocculation integrated water purifying deviceInfo
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- CN223722904U CN223722904U CN202520013303.0U CN202520013303U CN223722904U CN 223722904 U CN223722904 U CN 223722904U CN 202520013303 U CN202520013303 U CN 202520013303U CN 223722904 U CN223722904 U CN 223722904U
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Abstract
本实用新型涉水处理技术领域，尤其涉及一种二次微絮凝一体化净水装置，包括有第一絮凝反应池；第一絮凝反应池的内壁设有多组第一折板，第一絮凝反应池的左端设有第一进水管，第一絮凝反应池的右端设有沉淀池，沉淀池的右端设有第二絮凝反应池。本实用新型通过第二絮凝加药泵加入少量絮凝剂进行混合，微絮凝反应生成的微小絮凝体的尺寸一般10‑50um之间，大概2‑4分钟后，通过第二进水花管进入到过滤池进行过滤，因微絮件尺寸小，惯性也小，增加了与过滤层石英砂的接触机会，不易脱落，提高了净水效果，通过二次微絮凝使石英砂过滤池成为一种深层过滤，充分发挥微絮凝与深层过滤的耦合作用效果，提高过滤池的效果，满足自来水厂出水浊度指标。
This utility model relates to the field of water treatment technology, and particularly to an integrated secondary micro-flocculation water purification device, comprising a first flocculation reaction tank; the inner wall of the first flocculation reaction tank is provided with multiple sets of first baffles, a first water inlet pipe is provided at the left end of the first flocculation reaction tank, a sedimentation tank is provided at the right end of the first flocculation reaction tank, and a second flocculation reaction tank is provided at the right end of the sedimentation tank. This utility model uses a second flocculation dosing pump to add a small amount of flocculant for mixing. The micro-flocculation reaction produces micro-flocculation particles with a size generally between 10-50 μm. After approximately 2-4 minutes, these particles enter the filtration tank through the second water inlet pipe for filtration. Due to the small size and low inertia of the micro-flocculation particles, the contact opportunity with the quartz sand filter layer is increased, making them less prone to detachment and improving the water purification effect. Through secondary micro-flocculation, the quartz sand filtration tank becomes a deep filtration layer, fully utilizing the coupling effect of micro-flocculation and deep filtration, improving the filtration effect, and meeting the turbidity index of the water treatment plant.
Description
Technical Field
The utility model belongs to the technical field of water treatment, and particularly relates to a secondary micro-flocculation integrated water purifying device.
Background
Along with the rapid development of social economy, the discharge amount of industrial wastewater and domestic sewage is continuously increased, the problem of water quality pollution is increasingly serious, and the water purification treatment technology becomes an important means for guaranteeing the safety of water resources.
In the prior art, flocculation technology is widely applied to removing suspended particles and organic pollutants in water as a high-efficiency water treatment method. However, when the conventional flocculation equipment is used, the requirements of modern water use are difficult to meet, particularly when the concentration of suspended matters in raw water is high or a large amount of fine particles exist, the conventional single filtration or precipitation process cannot sufficiently remove the pollutants, so that the conditions of high turbidity of effluent, more particles remain and the like are caused, the quality of purified water is directly influenced, and in long-term operation of a filter tank, excessive impurities accumulated on the surface of a filter material cause the water permeability to be reduced, so that back flushing is required to be frequently carried out to restore the filtering capability, the operation efficiency of a system is reduced, and the cost of water production is also remarkably increased.
Therefore, the secondary micro-flocculation integrated water purifying device is provided, and the filtering effect is improved, the back flushing period of the filter tank is prolonged, and the water production cost is reduced when the secondary micro-flocculation integrated water purifying device is used.
Disclosure of utility model
In order to solve the problems that the existing secondary micro-flocculation integrated water purifying device has poor water purifying quality, needs frequent backflushing and obviously increases water preparing cost when in use.
The technical scheme is that the secondary micro-flocculation integrated water purifying device comprises a first flocculation reaction tank, wherein a plurality of groups of first folded plates are arranged on the inner wall of the first flocculation reaction tank, a first water inlet pipe is arranged at the left end of the first flocculation reaction tank, a sedimentation tank is arranged at the right end of the first flocculation reaction tank, a second flocculation reaction tank is arranged at the right end of the sedimentation tank, a plurality of groups of second folded plates are arranged on the inner wall of the second flocculation reaction tank, a second flocculation dosing pump is arranged at the upper part of the second flocculation reaction tank, a filter tank is arranged at the right end of the second flocculation reaction tank, and a first water outlet pipe is arranged at the right end of the filter tank.
Preferably, when the turbidity of the inlet water is very high, firstly raw water starts to supply water to the interior of the first flocculation reaction tank from one end of the first water inlet pipe, the flocculant can be accurately conveyed into the mixer through the first flocculation chemical adding pump, the flocculant and the raw water are fully mixed in a short time by using the mixer, the water flow is divided into a plurality of narrow channels through the first folding plate, so that particles can be quickly settled to the bottom of the tank along a shorter vertical path in the settling process, the settling efficiency is improved, when the flocculated and settled water flows into the interior of the settling tank from the first water inlet pipe, the water flow entering the interior of the settling tank is uniformly distributed by using the inclined pipe, the phenomenon of dynamic movement or short flow of the water flow is avoided, the settling effect is improved, the settled water flows into the interior of the second flocculation reaction tank through the through hole, adding a small amount of flocculating agent by a second flocculation dosing pump for mixing for about 2-4 minutes, wherein the size of the micro flocculating body generated by micro flocculation reaction is generally 10-50um, then entering the filter tank for filtering by a second water inlet pipe, and adding a small amount of flocculating agent before entering the second flocculation reaction tank because the micro flocculating piece has small size and small inertia, thereby increasing the contact opportunity of the surface of the quartz sand filter layer, forming the whole surface adhesion with the quartz sand filter layer, being not easy to fall off, improving the dirt holding capacity in the filter material, being beneficial to the interception of more impurities by the filter layer, further realizing deep filtration by using the height of 1.2 m of the quartz sand filter layer, improving the filtering effect, prolonging the working period of the filter tank, finally discharging treated water from a first water outlet pipe, adding a small amount of flocculating agent before entering the second flocculation reaction tank because the raw water with low turbidity (less than 20 NTU) flows through the first flocculation reaction tank and the sedimentation tank, when the turbidity of the inflow water is higher (more than 20 NTU), only flocculant is added into the raw water, the inflow water flows through the first flocculation reaction tank, the sedimentation tank and the second flocculation reaction tank, and then directly enters the filtering tank for filtering, at the moment, the integrated water purifying device operates according to the conventional water treatment process, the second flocculation dosing pump does not work, when the flushing is needed, air is firstly injected through the second water inlet pipe, and enters the quartz sand filtering layer for internal stirring through the backwashing water inlet pipe and the water cap, so that the quartz sand filtering layer is fully loosened, then water is added for flushing, finally impurities are taken away, the outflow water is discharged from the second water outlet pipe, the waste water generated by backwashing in the filtering tank can be directly recycled after sedimentation treatment, the water consumption is reduced while the cleaning effect is improved, and the problems that the water purifying quality is poor, the frequent backwashing is needed and the water production cost is obviously increased when the existing secondary micro flocculation integrated water purifying device is used are solved.
Preferably, one end of the first water inlet pipe is fixedly connected to the upper part of the outer wall of the first flocculation reaction tank and penetrates through the outer wall of the first flocculation reaction tank, and a first flocculation dosing pump and a mixer are fixedly connected to the first water inlet pipe.
As the preference, the inner wall middle part rigid coupling of sedimentation tank has the pipe chute, and the inner wall lower part rigid coupling of sedimentation tank has first water inflow pipe, and the one end of first water inflow pipe is run through the inner wall of sedimentation tank and the outer wall of first flocculation reaction pond, and the through-hole that runs through the second flocculation reaction pond is seted up on the inner wall upper portion of sedimentation tank, and during the use, when the water after flocculation precipitation flows into the inside of sedimentation tank from first water inflow pipe chute, utilizes the pipe chute to make the rivers evenly distributed that get into the sedimentation tank inside, avoids rivers dynamic motion or short flow phenomenon to improve the sedimentation effect.
Preferably, the upper part of the inner wall of the filter tank is fixedly connected with a second water inlet pipe, one end of the second water inlet pipe penetrates through the inner wall of the filter tank and the outer wall of the second flocculation reaction tank, a supporting plate is fixedly connected with the middle part of the inner wall of the filter tank, a plurality of groups of water caps are arranged on the supporting plate, a quartz sand filter layer is arranged at the upper end of the supporting plate, a water outlet pipe is fixedly connected with the lower part of the inner wall of the filter tank, one end of the water outlet pipe penetrates through the inner wall of the filter tank and is fixedly connected with one end of the first water outlet pipe, and when the treated water flows into the filter tank through the second water inlet pipe, suspended matters, particle impurities and sediment in the water can be effectively removed by utilizing the contact flocculation effect of the quartz sand filter layer, the water clarity is obviously improved, the water quality is improved, the filtered water can be uniformly collected through the water caps, and the water outlet quality is ensured to be stable.
Preferably, the lower part of the inner wall of the filter tank is fixedly connected with a backwash water inlet pipe, one end of the backwash water inlet pipe penetrates through the inner wall of the filter tank and is fixedly connected with a second water inlet pipe, the outer wall of the filter tank is fixedly connected with a second water outlet pipe, one end of the second water outlet pipe penetrates through the outer wall of the filter tank, when the filter tank is used, air is firstly injected into the filter tank through the second water inlet pipe, enters into the quartz sand filter layer through the backwash water inlet pipe and the water cap to be stirred, so that the quartz sand filter layer is fully loosened, then water is added for flushing, finally impurities are taken away, the water is discharged from the second water outlet pipe, waste water generated by backwash in the filter tank can be directly recycled after sedimentation treatment, and the water consumption is reduced while the cleaning effect is improved.
As the preference, the lower extreme of first flocculation reaction pond, sedimentation tank, second flocculation reaction pond and filtering ponds is equipped with the mud collecting hopper, and the lower extreme of mud collecting hopper is equipped with the mud pipe, and the outer wall of first flocculation reaction pond is equipped with the PLC controller, and during the use, utilize mud collecting hopper and mud pipe to collect and discharge and deposit a small amount of mud to first flocculation reaction pond, sedimentation tank, second flocculation reaction pond and filtering ponds bottom, can realize the automatic control to little flocculation integration purifier through the PLC controller, improve debugging and operating efficiency, water purification system does not need to stop operation when the mud is discharged moreover.
Preferably, the height of the quartz sand filter layer is 1.2m, the thickness of the supporting plate is 0.2m, and when the filter is used, deep filtration can be realized by utilizing the height of the quartz sand filter layer, so that the filter effect is improved, and the working period of the filter is prolonged.
The utility model has the beneficial effects that:
1. The flocculant can be accurately conveyed into the mixer through the first flocculation dosing pump, the flocculant and raw water are fully mixed by the mixer in a short time, the treatment efficiency of the first flocculation reaction tank is improved, the second flocculation dosing pump is added with a small amount of flocculant to be mixed for about 2-4 minutes, the micro-floccules generated by the micro-flocculation reaction are generally between the sizes and are then filtered through the second water inlet pipe into the filter tank, and the contact opportunity of the surface of the quartz sand filter layer is increased due to the small size and small inertia of the micro-floccules, so that the full surface of the quartz sand filter layer is attached and is not easy to fall off, the sewage receiving capacity in the filter material is improved, and the problem that the water purifying quality is poor when the conventional secondary micro-flocculation integrated water purifying device is used is solved;
2. Air is injected into the filter tank through the second water inlet pipe firstly, the air enters the quartz sand filter layer through the backwashing water inlet pipe and the water cap to be stirred, so that the quartz sand filter layer is fully loosened, then water is added to be washed, finally impurities are taken away, the water is discharged from the second water outlet pipe, waste water generated by backwashing in the filter tank can be directly recycled after precipitation treatment, the cleaning effect is improved, meanwhile, the water consumption is reduced, the depth filtration of the quartz sand filter layer can be realized, the filtering effect is improved, the working period of the filter tank is prolonged, and the problem that the conventional secondary micro flocculation integrated water purifying device needs frequent backwashing and water production cost is remarkably increased when in use is solved;
3. Can collect and discharge a small amount of mud that deposits to first flocculation reaction pond, sedimentation tank, second flocculation reaction pond and filtering ponds through album mud bucket and mud pipe, can realize little flocculation integrated purifier's automatic control through the PLC controller, improve debugging and operating efficiency, water purification system need not stop operation when mud is discharged moreover.
Drawings
FIG. 1 shows a schematic perspective view of a secondary micro-flocculation integrated water purifying device of the present utility model;
Fig. 2 shows a schematic perspective view of a cross-section of a secondary micro-flocculation integrated water purification device according to the present utility model.
The figures are marked by 1, a first flocculation reaction tank, 2, a first folded plate, 3, a first water inlet pipe, 4, a first flocculation chemical adding pump, 5, a mixer, 6, a sedimentation tank, 601, an inclined pipe, 602, a first water inlet pipe, 603, a through hole, 7, a second flocculation reaction tank, 8, a second folded plate, 9, a second flocculation chemical adding pump, 10, a filter tank, 11, a second water inlet pipe, 12, a quartz sand filter layer, 13, a bearing plate, 14, a water cap, 15, a water outlet pipe, 16, a first water outlet pipe, 17, a backwashing water inlet pipe, 18, a second water inlet pipe, 19, a second water outlet pipe, 20, a sludge collecting hopper, 21, a sludge discharge pipe, 22 and a PLC controller.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Referring to fig. 1-2, the utility model provides an embodiment of a secondary micro-flocculation integrated water purification device, which comprises a first flocculation reaction tank 1, wherein a plurality of groups of first folded plates 2 are arranged on the inner wall of the first flocculation reaction tank 1, a first water inlet pipe 3 is arranged at the left end of the first flocculation reaction tank 1, a sedimentation tank 6 is arranged at the right end of the first flocculation reaction tank 1, a second flocculation reaction tank 7 is arranged at the right end of the sedimentation tank 6, a plurality of groups of second folded plates 8 are arranged on the inner wall of the second flocculation reaction tank 7, a second flocculation dosing pump 9 is arranged at the upper part of the second flocculation reaction tank 7, a filter tank 10 is arranged at the right end of the second flocculation reaction tank 7, and a first water outlet pipe 16 is arranged at the right end of the filter tank 10.
Referring to fig. 2, in the present embodiment, one end of a first water inlet pipe 3 is fixedly connected to an upper portion of an outer wall of a first flocculation reaction tank 1 and penetrates through the outer wall of the first flocculation reaction tank 1, and a first flocculation chemical pump 4 and a mixer 5 are fixedly connected to the first water inlet pipe 3.
Referring to fig. 2, in the present embodiment, an inclined tube 601 is fixedly connected to the middle portion of the inner wall of the sedimentation tank 6, a first water inlet pipe 602 is fixedly connected to the lower portion of the inner wall of the sedimentation tank 6, one end of the first water inlet pipe 602 penetrates through the inner wall of the sedimentation tank 6 and the outer wall of the first flocculation reaction tank 1, and a through hole 603 penetrating through the second flocculation reaction tank 7 is formed in the upper portion of the inner wall of the sedimentation tank 6.
Referring to fig. 2, in the present embodiment, a second water inlet pipe 11 is fixedly connected to an upper portion of an inner wall of the filter tank 10, one end of the second water inlet pipe 11 penetrates through the inner wall of the filter tank 10 and an outer wall of the second flocculation reaction tank 7, a supporting plate 13 is fixedly connected to a middle portion of the inner wall of the filter tank 10, a plurality of groups of water caps 14 are arranged on the supporting plate 13, a quartz sand filter layer 12 is arranged at an upper end of the supporting plate 13, a water outlet pipe 15 is fixedly connected to a lower portion of the inner wall of the filter tank 10, and one end of the water outlet pipe 15 penetrates through the inner wall of the filter tank 10 and is fixedly connected to one end of the first water outlet pipe 16.
Referring to fig. 2, in the present embodiment, a backwash water inlet pipe 17 is fixedly connected to the lower portion of the inner wall of the filter tank 10, one end of the backwash water inlet pipe 17 penetrates through the inner wall of the filter tank 10 and is fixedly connected to a second water inlet pipe 18, a second water outlet pipe 19 is fixedly connected to the outer wall of the filter tank 10, and one end of the second water outlet pipe 19 penetrates through the outer wall of the filter tank 10.
Referring to fig. 1, in the present embodiment, the lower ends of the first flocculation reaction tank 1, the sedimentation tank 6, the second flocculation reaction tank 7 and the filter tank 10 are provided with a sludge hopper 20, the lower end of the sludge hopper 20 is fixedly connected with a sludge discharge pipe 21, and the outer wall of the first flocculation reaction tank 1 is provided with a PLC controller 22.
Referring to fig. 2, in the present embodiment, the height of the quartz sand filter layer 12 is 1.2m, and the thickness of the support plate 13 is 0.2m.
Through the steps, when the turbidity of the inlet water is high, firstly raw water starts to supply water to the interior of the first flocculation reaction tank 1 from one end of the first water inlet pipe 3, the flocculant can be accurately conveyed into the mixer 5 through the first flocculation dosing pump 4, the flocculant and the raw water are fully mixed in a short time by using the mixer 5, and the water flow is divided into a plurality of narrow channels through the first folded plate 2, so that particles can be quickly settled to the bottom of the tank along a shorter vertical path in the settling process, and the settling efficiency is improved;
When the flocculated and precipitated water flows into the sedimentation tank 6 from the first water inlet pipe 602, the water flow entering the sedimentation tank 6 is uniformly distributed by utilizing the inclined pipe 601, and the phenomenon of dynamic flow or short flow of the water flow is avoided, so that the sedimentation effect is improved, the precipitated water flows into the second flocculation reaction tank 7 through the through hole 603, a small amount of flocculating agent is added into the water through the second flocculation dosing pump 9 for mixing for about 2-4 minutes, the size of micro flocculating body generated by micro flocculation reaction is generally 10-50um, and then the micro flocculating body enters the filter tank 10 through the second water inlet pipe 11 for filtering;
The micro-flocculation piece is small in size and inertia, so that the contact opportunity of the surface of the quartz sand filter layer 12 is increased, the quartz sand filter layer is attached to the whole surface of the quartz sand filter layer 12 and is not easy to fall off, the dirt holding capacity in the filter material is improved, the filter layer is facilitated to hold back more impurities, in addition, deep filtration can be realized by utilizing the height of the quartz sand filter layer 12, the filtering effect is improved, the working period of the filter is prolonged, and finally treated water is discharged from the first water outlet pipe 16;
When the turbidity of the inflow water is lower than 20NTU, the raw water without adding flocculant flows through the first flocculation reaction tank 1 and the sedimentation tank 6, a small amount of flocculant is added before entering the second flocculation reaction tank 7, and the mixture is mixed and reacted by the secondary micro flocculation tank and then directly enters the filter tank 10 for filtration, and the integrated water purifying device becomes a micro flocculation filtration device;
When the water purifier needs to be washed, air is injected into the water purifier through the second water inlet pipe 18, and enters the quartz sand filter layer 12 through the backwash water inlet pipe 17 and the water cap 14 to be stirred, so that the quartz sand filter layer 12 is loosened fully, water is added to wash, impurities are taken away finally, the water is discharged from the second water outlet pipe 19, waste water generated by backwash in the filter tank can be directly recycled after being subjected to precipitation treatment, the water consumption is reduced while the cleaning effect is improved, and the problems that the water purification quality is poor, the backwash and the water preparation cost are required to be increased obviously when the conventional secondary micro flocculation integrated water purifier is used are solved.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (7)
1. The secondary micro-flocculation integrated water purification device comprises a first flocculation reaction tank (1) and is characterized in that a plurality of groups of first folded plates (2) are arranged on the inner wall of the first flocculation reaction tank (1), a first water inlet pipe (3) is arranged at the left end of the first flocculation reaction tank (1), a sedimentation tank (6) is arranged at the right end of the first flocculation reaction tank (1), a second flocculation reaction tank (7) is arranged at the right end of the sedimentation tank (6), a plurality of groups of second folded plates (8) are arranged on the inner wall of the second flocculation reaction tank (7), a second flocculation dosing pump (9) is arranged on the upper portion of the second flocculation reaction tank (7), a filter tank (10) is arranged at the right end of the second flocculation reaction tank (7), and a first water outlet pipe (16) is arranged at the right end of the filter tank (10).
2. The secondary micro-flocculation integrated water purification device of claim 1, wherein one end of the first water inlet pipe (3) is fixedly connected to the upper part of the outer wall of the first flocculation reaction tank (1) and penetrates through the outer wall of the first flocculation reaction tank (1), and the first flocculation dosing pump (4) and the mixer (5) are fixedly connected to the first water inlet pipe (3).
3. The secondary micro-flocculation integrated water purification device of claim 1, wherein an inclined tube (601) is fixedly connected to the middle part of the inner wall of the sedimentation tank (6), a first water inlet pipe (602) is fixedly connected to the lower part of the inner wall of the sedimentation tank (6), one end of the first water inlet pipe (602) penetrates through the inner wall of the sedimentation tank (6) and the outer wall of the first flocculation reaction tank (1), and a through hole (603) penetrating through the second flocculation reaction tank (7) is formed in the upper part of the inner wall of the sedimentation tank (6).
4. The secondary micro-flocculation integrated water purification device according to claim 1, wherein a second water inlet pipe (11) is fixedly connected to the upper portion of the inner wall of the filter tank (10), one end of the second water inlet pipe (11) penetrates through the inner wall of the filter tank (10) and the outer wall of the second flocculation reaction tank (7), a supporting plate (13) is fixedly connected to the middle portion of the inner wall of the filter tank (10), a plurality of groups of water caps (14) are arranged on the supporting plate (13), a quartz sand filtering layer (12) is arranged at the upper end of the supporting plate (13), a water outlet pipe (15) is fixedly connected to the lower portion of the inner wall of the filter tank (10), and one end of the water outlet pipe (15) penetrates through the inner wall of the filter tank (10) and is fixedly connected to one end of the first water outlet pipe (16).
5. The secondary micro-flocculation integrated water purification device of claim 1, wherein a backwash water inlet pipe (17) is fixedly connected to the lower portion of the inner wall of the filter tank (10), one end of the backwash water inlet pipe (17) penetrates through the inner wall of the filter tank (10) and is fixedly connected with a second water inlet pipe (18), a second water outlet pipe (19) is fixedly connected to the outer wall of the filter tank (10), and one end of the second water outlet pipe (19) penetrates through the outer wall of the filter tank (10).
6. The secondary micro-flocculation integrated water purification device according to claim 1, wherein the lower ends of the first flocculation reaction tank (1), the sedimentation tank (6), the second flocculation reaction tank (7) and the filter tank (10) are provided with a sludge collecting hopper (20), the lower end of the sludge collecting hopper (20) is fixedly connected with a sludge discharge pipe (21), and the outer wall of the first flocculation reaction tank (1) is provided with a PLC (programmable logic controller) controller (22).
7. The integrated water purification device for secondary micro flocculation according to claim 1, wherein the height of the quartz sand filter layer (12) is 1.2m, and the thickness of the supporting plate (13) is 0.2m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520013303.0U CN223722904U (en) | 2025-01-03 | 2025-01-03 | Secondary micro-flocculation integrated water purifying device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202520013303.0U CN223722904U (en) | 2025-01-03 | 2025-01-03 | Secondary micro-flocculation integrated water purifying device |
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| CN223722904U true CN223722904U (en) | 2025-12-26 |
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| CN202520013303.0U Active CN223722904U (en) | 2025-01-03 | 2025-01-03 | Secondary micro-flocculation integrated water purifying device |
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| CN (1) | CN223722904U (en) |
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