CN213141508U - Novel high-efficient sedimentation tank of little sand - Google Patents
Novel high-efficient sedimentation tank of little sand Download PDFInfo
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- CN213141508U CN213141508U CN202021424743.9U CN202021424743U CN213141508U CN 213141508 U CN213141508 U CN 213141508U CN 202021424743 U CN202021424743 U CN 202021424743U CN 213141508 U CN213141508 U CN 213141508U
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Abstract
The utility model discloses a novel high-efficient sedimentation tank of little sand, including the coagulation district, add the district, the curing district, join in marriage water district, sedimentation zone, clear water district, the coagulation district mixer, add the district mixer, curing district mixer, mud scraper, little sand circulating pump, hydrocyclone, inlet tube, coagulant add throwing feeder pipe, little sand back flow, little sand are added feeder pipe, flocculating agent and are added feeder pipe, diatomaceous earth and add feeder pipe, little sand regeneration pipe, sludge discharge pipe. The utility model has the advantages that: on the basis of the traditional flocculation precipitation, the micro-sand is added in the process, so that the micro-sand and flocs are efficiently co-precipitated. The sedimentation zone is designed into a unique finned inclined plate, so that a plurality of groups of independent small sedimentation zones are formed in the inclined plate area, and the sedimentation efficiency is improved. The rear diatomite adsorption area can further reduce various pollutants such as COD, BOD and the like.
Description
Technical Field
The utility model relates to a water treatment technical field specifically is a novel high-efficient sedimentation tank of little sand.
Background
Flocculation and sedimentation is a basic and critical step in sewage treatment. The principle is that the coagulant is used to coagulate suspended matter and colloid in waste water into floccule, which is then separated from raw water and eliminated. Can reduce the turbidity of raw water and remove various pollution components.
In general, most of the flocculation tank and the sedimentation tank are constructed separately, and one of the disadvantages is large floor area and high investment and construction cost. Conventional high-efficient sedimentation tank is enough to compensate the defect of above-mentioned component formula flocculation basin and sedimentation tank, gathers flocculation, sedimentation process among same equipment to with the mode that the sedimentation zone design is the ramp type sediment, rely on gravity and shallow pond sedimentation theory, can realize the quick flocculation of pollutant, improve sedimentation tank surface load, shorten water conservancy dwell time, promote treatment effeciency and play water quality of water by a wide margin.
However, the conventional high-efficiency sedimentation tank still has design defects. The first is that the sludge is difficult to be discharged in the inclined plate area, and the second is that the high-efficiency sedimentation tank mainly aims at removing suspended matters in sewage and has limited capability of removing other pollutants such as COD, BOD and the like. Accordingly, those skilled in the art have provided a novel micro-sand settling tank to solve the problems set forth in the background above.
Disclosure of Invention
An object of the utility model is to provide a novel little sand sedimentation tank to solve the problem that above-mentioned background art center provided.
In order to achieve the above object, the utility model provides a following technical scheme:
a novel micro-sand sedimentation tank comprises a coagulation area, a filling area, a curing area, a water distribution area, a sedimentation area, a clear water area, a mixer of the coagulation area, a mixer of the filling area, a mixer of the curing area, a mud scraper, a micro-sand circulating pump, a hydraulic cyclone, a water inlet pipe, a coagulant adding pipe, a micro-sand return pipe, a micro-sand adding pipe, a flocculating agent adding pipe, a diatomite adding pipe, a micro-sand regeneration pipe and a sludge discharge pipe.
The coagulation area, the filling area, the curing area, the water distribution area and the precipitation area are sequentially arranged in parallel, a coagulation area stirrer is arranged in the coagulation area, a filling area stirrer is arranged in the filling area, and a curing area stirrer is arranged in the curing area; a clear water area is arranged above the sedimentation area, and a mud scraper is arranged below the sedimentation area; the outlet below the mud scraper is connected with a micro-sand regenerating pipe; the micro-sand regenerating pipe is provided with a micro-sand circulating pump and a hydrocyclone; the lower end of the hydrocyclone is connected with a micro-sand return pipe, and the upper end of the hydrocyclone is connected with a sludge discharge pipe; a water inlet pipe and a coagulant adding pipe are arranged in the coagulation area; the filling area is provided with a micro-sand return pipe, a micro-sand feeding pipe and a flocculating agent feeding pipe; the curing area is provided with a diatomite feeding pipe.
As a further aspect of the present invention: and adding the micro-sand into the filling area, wherein the micro-sand can be effectively combined with suspended matters and colloids to form a high-density flocculating body so as to realize rapid flocculation of pollutants and shorten the hydraulic retention time.
As a further aspect of the present invention: the fins are arranged in the vertical downward direction of the inclined plate of the settling zone, so that a plurality of groups of independent small settling zones are formed in the inclined plate area, and the settling efficiency is improved; the fins are made of PVC, the thickness is 3.00mm, the length is 60.00mm, the interval between every two adjacent fins is 60.00mm, and the vertical distance between the top ends of the fins and the adjacent inclined plates is 30.00 mm.
As a further aspect of the present invention: the bottom of the mud scraper is connected with a micro-sand regenerating pipe, a micro-sand circulating pump and a hydraulic cyclone are arranged on the micro-sand regenerating pipe, and a micro-sand return pipe is connected below the hydraulic cyclone to realize the recycling of micro-sand.
As a further aspect of the present invention: the mixer in the coagulation area is a spiral mixer, the mixer in the filling area is a paddle mixer, and the mixer in the curing area is a spiral mixer.
As a further aspect of the present invention: the hydraulic retention time in the coagulation zone is 1-2 min, the retention time in the filling zone is 1-2 min, and the retention time in the curing zone is 15 min.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, on traditional flocculation and precipitation's basis, add the little sand in the technology, make it and the high-efficient coprecipitation of flocculating constituent, the effective combination of little sand and suspended solid, colloid can form the high density flocculating constituent.
2. The utility model discloses in, the settling zone design is unique fin formula swash plate for form the independent little settling zone of multiunit in the swash plate region, the installation of fin can show the precipitation efficiency who improves the sedimentation tank, and the precipitation efficiency of this novel high-efficient sedimentation tank of little sand can reach 5 times of ordinary inclined lamellar precipitation tank.
3. In the utility model, the rear diatomite adsorption area is added with diatomite, and the diatomite is light in weight, porous, large in specific surface area and strong in adsorption performance, and does not have any side effect in sewage treatment; the addition of the diatomite can accelerate flocculation, enlarge alum floc and accelerate precipitation; the adsorbent adsorbs multi-component pollutants such as inorganic matters, organic matters and the like in the sewage, the removal rate of the organic matters can reach more than 70 percent, and the dewatering performance of the diatomite is higher than that of common sludge, thereby being beneficial to subsequent sludge treatment.
4. The utility model discloses in, novel little sand filtering pond relies on gravity and swash plate sedimentation principle, can realize the quick flocculation of pollutant, improves sedimentation tank surface load, shortens water conservancy dwell time, promotes treatment effeciency and goes out water quality of water by a wide margin, and the little sand that adds in the filling district and the diatomaceous earth granule that adds in the curing district and throw can cyclic utilization.
Drawings
Fig. 1 is a schematic structural diagram of a novel micro-sand efficient sedimentation tank.
In the figure: 1-a coagulation area, 2-a filling area, 3-a curing area, 4-a water distribution area, 5-a precipitation area, 6-a clear water area, 7-a coagulation area stirrer, 8-a filling area stirrer, 9-a curing area stirrer, 10-a mud scraper, 11-a micro-sand circulating pump, 12-a hydraulic cyclone, 13-a water inlet pipe, 14-a coagulant adding pipe, 15-a micro-sand return pipe, 16-a micro-sand adding pipe, 17-a flocculant adding pipe, 18-a diatomite adding pipe, 19-a micro-sand regeneration pipe and 20-a sludge discharge pipe.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present invention, and do not limit the present invention.
Please refer to fig. 1, in the utility model, a novel high-efficient sedimentation tank of little sand, including coagulating zone (1), add notes district (2), curing district (3), join in marriage water district (4), settling zone (5), clear water district (6), coagulating zone mixer (7), add notes district mixer (8), curing district mixer (9), mud scraper (10), little sand circulating pump (11), hydrocyclone (12), inlet tube (13), coagulant are thrown and are thrown feeder tube (14), little sand back flow (15), little sand and are thrown feeder tube (16), flocculating agent are thrown and are thrown feeder tube (17), diatomaceous earth is thrown and is thrown feeder tube (18), little sand regeneration pipe (19), sludge discharge pipe (20).
The coagulation area (1) is provided with a water inlet pipe (13), a coagulant adding pipe (14) and a coagulation area stirrer (7), the pipe orifice installation height of the water inlet pipe (13) and the coagulant adding pipe (14) is 500mm away from the bottom of the tank, two sides of the bottom of the tank are provided with 45-degree flow baffles, and sewage enters the coagulation area (1) through the water inlet pipe (13) and then flows to the adding area (2) through the flow baffles in a mode of 'water inlet and water outlet from top to bottom'.
The filling area (2) is provided with a micro-sand return pipe (15), a micro-sand adding pipe (16), a flocculating agent adding pipe (17) and a filling area stirrer (8), and the installation heights of the micro-sand return pipe (15), the micro-sand adding pipe (16) and the flocculating agent adding pipe (17) are 500mm from the bottom of the tank; two sides of the tank bottom are provided with baffle plates of 45 degrees, and sewage flows to the curing area (3) through the baffle plates.
The curing area (3) is provided with a diatomite feeding pipe (18) and a curing area stirrer (9), the pipe orifice installation height of the diatomite feeding pipe (18) is 500mm away from the tank bottom, two sides of the tank bottom are provided with 45-degree flow baffles, and sewage flows to the water distribution area (4) through the flow baffles.
The sewage flows to the sedimentation zone (5) through the water distribution zone (4), the inclined plate is installed in the sedimentation zone (5), and the fins are installed on the downward direction of the vertical inclined plate, so that a plurality of groups of independent small sedimentation zones are formed in the inclined plate area.
The clear water is collected by a triangular weir at a clear water area (6) above the settling area (5).
The sludge is concentrated by a sludge scraper (10) below the settling zone (5) and then collected at the bottom of the pool.
The outlet below the mud scraper (10) is connected with a micro-sand regeneration pipe (19), a micro-sand circulating pump (11) and a hydraulic cyclone (12) are arranged on the micro-sand regeneration pipe (19), the lower end of the hydraulic cyclone (12) is connected with a micro-sand return pipe (15), the other end of the micro-sand return pipe (15) extends into the filling area (2), and the upper end of the hydraulic cyclone (12) is connected with a sludge discharge pipe (20).
The utility model discloses a theory of operation is:
the utility model discloses the operation in-process, sewage flows in the coagulation district in the high-efficient sedimentation tank of little sand through the inlet tube, under the coagulant effect of throwing the throwing, the suspended solid in the sewage loses molecular stability, along with the raw water through baffling board inflow filling district, throw little sand and flocculating agent simultaneously in filling district, little sand and suspended solid, the colloid effectively combines, can form the high density flocculating constituent, and this reaction sequence can be accelerated in the filling of flocculating constituent, the flocculating constituent flows in the curing district through the baffling board once more along with the raw water afterwards, it is diatomaceous earth to throw in the curing district.
The diatomite has multiple advantages: 1. flocculation can be accelerated, alum floc can be enlarged, and precipitation can be accelerated; 2. can adsorb inorganic matters, organic matters and other multi-component pollutants in the sewage; 3. the dewatering performance of the diatomite is higher than that of common sludge, so that the subsequent sludge treatment is facilitated, and finally, a flocculating body flows into the water distribution area along with raw water through the baffle plate and finally flows into the precipitation area;
in the settling zone, water flow goes upward, sludge goes downward, PVC fins are arranged on each inclined plate at intervals, the fins enable multiple groups of independent small settling zones to be formed in the inclined plate area, smaller particles are favorably settled, the settling efficiency and the effluent quality are improved, settled clean water is collected through an effluent weir above the inclined plates, a sludge scraper is arranged below the inclined plate area, concentrate sludge, micro sand and diatomite acted by the sludge scraper are conveyed to a hydraulic cyclone through a micro sand regeneration pipe, the micro sand, the sludge and the diatomite are separated through the high-speed screening movement of the hydraulic cyclone, the micro sand and the diatomite return to a filling area through a micro sand return pipe to be recycled, and the sludge is discharged to a sludge deep treatment unit through a sludge discharge pipe.
The system comprises a coagulation area, a filling area, a curing area, a water distribution area and a sedimentation area which are sequentially arranged in parallel, wherein a coagulation area stirrer, a filling area stirrer and a curing area stirrer are respectively arranged in the coagulation area, the filling area and the curing area, the stirrers can accelerate the reaction efficiency of suspended substances and medicaments and ensure that a flocculating body has a certain flow velocity and cannot settle, and a micro-sand circulating pump and a hydraulic cyclone are arranged on a micro-sand regeneration pipe; a water inlet pipe and a coagulant adding pipe are arranged in the coagulation area, a micro-sand return pipe, a micro-sand adding pipe and a flocculant adding pipe are arranged in the filling area, and a diatomite adding pipe is arranged in the curing area.
Finally, it is worth mentioning that: the above description is only the preferred embodiment of the present invention, but it is not limited to any other person skilled in the art, and all the modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention can be included in the protection scope of the present invention.
Claims (4)
1. A novel micro-sand efficient sedimentation tank is characterized by comprising a coagulation area (1), a filling area (2), a curing area (3), a water distribution area (4), a sedimentation area (5), a clear water area (6), a coagulation area stirrer (7), a filling area stirrer (8), a curing area stirrer (9), a mud scraper (10), a micro-sand circulating pump (11), a hydraulic cyclone (12), a water inlet pipe (13), a coagulant adding pipe (14), a micro-sand return pipe (15), a micro-sand adding pipe (16), a flocculant adding pipe (17), a diatomite adding pipe (18), a micro-sand regeneration pipe (19) and a sludge discharge pipe (20), wherein the coagulation area (1), the filling area (2), the curing area (3), the water distribution area (4) and the sedimentation area (5) are sequentially arranged in parallel, the coagulation area stirrer (7) is arranged in the coagulation area (1), and the filling area stirrer (8) is arranged in the filling area (2), a curing area stirrer (9) is arranged in the curing area (3), a clear water area (6) is arranged above the settling area (5), a mud scraper (10) is arranged below the settling area, a water inlet pipe (13) and a coagulant adding pipe (14) are arranged in the coagulating area (1), a micro-sand return pipe (15), a micro-sand adding pipe (16) and a flocculant adding pipe (17) are arranged in the filling area (2), and a diatomite adding pipe (18) is arranged in the curing area (3).
2. The novel high-efficiency micro-sand sedimentation tank as claimed in claim 1, wherein fins are arranged on the inclined plate of the sedimentation zone (5) in a vertically downward direction, so that a plurality of groups of small independent sedimentation zones are formed in the area of the inclined plate, the fins are made of PVC, the thickness of each fin is 3.00mm, the length of each fin is 60.00mm, the interval between every two adjacent fins is 60.00mm, and the vertical distance between the top ends of the fins and the adjacent inclined plate is 30.00 mm.
3. The novel efficient micro-sand sedimentation tank as claimed in claim 1, wherein the bottom of the mud scraper (10) is connected with a micro-sand regeneration pipe (19), a micro-sand circulating pump (11) and a hydrocyclone (12) are arranged on the micro-sand regeneration pipe (19), a micro-sand return pipe (15) is connected below the hydrocyclone (12), and the upper end of the hydrocyclone is connected with a sludge discharge pipe (20).
4. The novel micro-sand efficient sedimentation tank as claimed in claim 1, wherein the mixer (7) of the coagulation zone in the coagulation zone (1) is a screw mixer, the mixer (8) of the injection zone in the injection zone (2) is a paddle mixer, and the mixer (9) of the curing zone in the curing zone (3) is a screw mixer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021424743.9U CN213141508U (en) | 2020-07-20 | 2020-07-20 | Novel high-efficient sedimentation tank of little sand |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021424743.9U CN213141508U (en) | 2020-07-20 | 2020-07-20 | Novel high-efficient sedimentation tank of little sand |
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| CN213141508U true CN213141508U (en) | 2021-05-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115124198A (en) * | 2022-07-22 | 2022-09-30 | 山东辰广环保装备有限公司 | Pretreatment device for solving biological pollution of water treatment membrane |
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- 2020-07-20 CN CN202021424743.9U patent/CN213141508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115124198A (en) * | 2022-07-22 | 2022-09-30 | 山东辰广环保装备有限公司 | Pretreatment device for solving biological pollution of water treatment membrane |
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