CN219355339U - High-density sedimentation tank - Google Patents
High-density sedimentation tank Download PDFInfo
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- CN219355339U CN219355339U CN202320924318.3U CN202320924318U CN219355339U CN 219355339 U CN219355339 U CN 219355339U CN 202320924318 U CN202320924318 U CN 202320924318U CN 219355339 U CN219355339 U CN 219355339U
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- sedimentation
- flocculation
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 104
- 239000010802 sludge Substances 0.000 claims abstract description 152
- 238000005189 flocculation Methods 0.000 claims abstract description 67
- 230000016615 flocculation Effects 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000007790 scraping Methods 0.000 claims abstract description 27
- 239000010865 sewage Substances 0.000 claims abstract description 27
- 238000005345 coagulation Methods 0.000 claims abstract description 19
- 230000015271 coagulation Effects 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000005352 clarification Methods 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000011282 treatment Methods 0.000 abstract description 29
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 239000004576 sand Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000701 coagulant Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 230000003311 flocculating effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 229940037003 alum Drugs 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 239000000413 hydrolysate Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a high-density sedimentation tank, which relates to the technical field of sewage treatment equipment and comprises a coagulation area and a flocculation area, wherein the coagulation area is communicated with the flocculation area; the two sedimentation areas are respectively communicated with the flocculation area; wherein, the upper half part of the sedimentation zone is provided with an inclined tube sedimentation part, the lower half part of the sedimentation zone is provided with a sludge concentration part, and the sludge concentration part is provided with a sludge scraping mechanism and a sludge bucket; one end of the sludge hopper is communicated with the flocculation area, and the other end is communicated with the outside. According to the high-density sedimentation tank, the whole process treatment of sewage is realized through the coagulation area, the flocculation area and the sedimentation area, the structure is more compact, and the treatment efficiency is higher. And possess two sedimentation zones, the unit area water yield is bigger, and throughput is stronger, effectively avoids the mud jam condition, can deal with high load state operation, guarantees long-time steady operation. The sludge in the sludge hopper can flow back to the flocculation area, so that the flocculation performance of the flocculation area is improved, and the treatment efficiency of equipment is improved.
Description
Technical Field
The utility model relates to the technical field of sewage treatment equipment, in particular to a high-density sedimentation tank.
Background
In the industrial production process with large water consumption or involving chemical treatment steps, a large amount of industrial sewage is generated, such as metal plating, papermaking, textile dip dyeing and other production processes, and the generation of the large amount of sewage can be discharged after the enterprises reach the discharge standard through professional sewage treatment equipment.
In the sewage treatment process, the precipitation equipment is the most important link of organic matter and water separation in the water treatment process, and the running condition of the equipment directly influences the quality of effluent. Common types of sedimentation tanks are: a advection sedimentation tank, an inclined tube sedimentation tank and a radial sedimentation tank.
Chinese patent CN 201320595054.8 discloses a sewage treatment micro sand circulation sedimentation tank, which comprises a coagulation tank, a mixing tank, a flocculation tank, a sedimentation tank and a clean water tank which are connected in sequence. A rotational flow sand setting tank is arranged above the mixing tank. The mud bucket at the bottom of the sedimentation tank is connected with the rotational flow sand sedimentation tank through a micro-sand mud pipe, and a mud reflux pump is arranged on a pipeline between the mud bucket and the rotational flow sand sedimentation tank. The water inlet end of the sedimentation tank is provided with a scum collecting tank. The floor area of the sedimentation tank is reduced, the micro sand circulation is realized, the sedimentation speed is increased, and the use of the medicament is reduced.
The processing equipment of the inclined tube sedimentation tank structure has long service life, but has slower sedimentation speed and low sedimentation efficiency, and is easy to generate reverse mud blocking phenomenon when the unit treatment capacity is increased, and cannot cope with high-load processing and is unstable in operation.
Disclosure of Invention
The utility model aims to at least solve the technical problems of slower sedimentation speed, low sedimentation efficiency, easy occurrence of reverse mud blocking phenomenon when the unit treatment capacity is increased, incapability of coping with high-load treatment and unstable operation in the prior art. Therefore, the high-density sedimentation tank provided by the utility model has the advantages of compact structure, higher treatment efficiency and large water yield per unit area, effectively avoids sedimentation and accumulation, and can stably operate for a long time.
A high density sedimentation tank according to some embodiments of the present utility model, comprising:
the coagulation zone is provided with a coagulation stirring mechanism;
the flocculation area is provided with a flocculation stirring mechanism, and the flocculation area is communicated with the flocculation area;
the two sedimentation areas are respectively communicated with the flocculation area;
the upper half part of the sedimentation zone is provided with an inclined tube sedimentation part, the lower half part of the sedimentation zone is provided with a sludge concentration part, the sludge concentration part is provided with a sludge scraping mechanism and a sludge bucket, and the sludge scraping mechanism is used for scraping and collecting sediment in the sedimentation zone into the sludge bucket;
one end of the sludge hopper is communicated with the flocculation area and used for improving the flocculation performance of the flocculation area, and the other end of the sludge hopper is communicated with the outside and used for discharging sludge.
According to some embodiments of the utility model, a clarification tank is arranged above the inclined tube sedimentation part, the clarification tank is communicated with the inclined tube sedimentation part, and the sludge concentration part is communicated with the inclined tube sedimentation part.
According to some embodiments of the utility model, the inclined tube sedimentation part comprises a plurality of inclined tubes which are obliquely arranged, the inclined tubes are closely arranged, the top of each inclined tube is communicated with the clarification tank, and the bottom of each inclined tube is communicated with the sludge concentration part; sewage in the sedimentation zone flows upwards along the inclined tube, sludge is trapped in the inclined tube, and clear water enters the clarification water outlet tank.
According to some embodiments of the utility model, the inclined tube has an angle of 60 ° with the horizontal plane, and the sludge in the inclined tube enters the sludge concentration portion under the action of gravity.
According to some embodiments of the utility model, the cross-sectional area of the chute is hexagonal.
According to some embodiments of the utility model, a hollow partition plate is arranged at the top of the sludge scraping mechanism, and sludge in the sedimentation area passes through the hollow partition plate and enters the sludge hopper.
According to some embodiments of the utility model, the sludge scraping mechanism is located above the sludge hopper, and a scraper of the sludge scraping mechanism is attached to the bottom of the sedimentation zone and is used for pushing sludge into the sludge hopper.
According to some embodiments of the utility model, a sludge circulation screw pump is arranged at the bottom of the sludge hopper, and the sludge circulation screw pump is respectively communicated with the sludge hopper and the flocculation zone and is used for pumping the sludge of the sludge hopper into the flocculation zone.
According to some embodiments of the utility model, a sludge discharge screw pump is arranged at the bottom of the sludge hopper, and the sludge discharge screw pump is respectively communicated with the sludge hopper and the outside and is used for pumping the sludge of the sludge hopper to discharge to the outside.
According to some embodiments of the utility model, the flocculation zone is in communication with the sedimentation zone at its bottom.
The high-density sedimentation tank according to some embodiments of the present utility model has at least the following beneficial effects:
1. the whole process treatment of sewage is realized through the coagulation area, the flocculation area and the sedimentation area, the structure is more compact, and the treatment efficiency is higher.
2. And possess two the sedimentation zone, the unit area water yield is bigger, and throughput is stronger, effectively avoids the mud jam condition, can deal with high load state operation, guarantees long-time steady operation.
3. The sludge in the sludge hopper can flow back to the flocculation area, so that the flocculation performance of the flocculation area is improved, and the treatment efficiency of equipment is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a high density sedimentation tank in accordance with an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of section A-A of FIG. 1;
FIG. 3 is a cross-sectional view of section B-B of FIG. 1;
fig. 4 is a top view of a high density sedimentation tank in accordance with an embodiment of the present utility model.
Reference numerals:
a coagulation zone 100, a coagulation stirring mechanism 110,
Flocculation area 200, flocculation stirring mechanism 210,
The sedimentation area 300, the inclined tube sedimentation part 310, the clarification tank 320, the sludge concentration part 330, the sludge scraping mechanism 331, the sludge hopper 332 and the hollowed-out partition 333.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, top, bottom, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
A high-density sedimentation tank according to an embodiment of the present utility model is described below with reference to fig. 1 to 4.
As shown in fig. 1 to 4, the high-density sedimentation tank is suitable for the fields of drinking water production, sewage treatment, industrial wastewater treatment, sludge treatment and the like, and can meet the wastewater and sewage treatment of various scales.
The equipment comprises a coagulation area 100, a flocculation area 200 and two sedimentation areas 300, sewage sequentially passes through the coagulation area 100, the flocculation area 200 and the sedimentation areas 300, the whole sewage treatment process is completed in one piece of equipment,
a coagulation stirring mechanism 110 is provided in the coagulation zone 100. In the coagulation zone 100, during the mixing of the sewage and coagulant, the coagulant hydrolysate can rapidly diffuse into the body of water, destabilizing and agglomerating all suspended particles. The whole process completes the rapid coagulation reaction of sludge, medicament and raw water by the lifting and mixing action of the coagulation stirring mechanism 110.
The flocculation area 200 is provided with a flocculation stirring mechanism 210, the flocculation area 100 is communicated with the flocculation area 200, sewage in the flocculation area 100 and coagulant are mixed and then enter the flocculation area 200, flocculant is put into the flocculation area 200, and the flocculation area 200 is stirred by the flocculation stirring mechanism 210 to perform a slow flocculation reaction so as to form larger floccules. The flocculation area 200 is a slow mixing area, and the speed of stirring the mixed sewage after adding the flocculating agent is controlled by the speed-adjustable flocculation stirring mechanism 210 so as to promote the growth of alum blossom and make the alum blossom compact and uniform. Under the action of flocculant and the reflux sludge of the sedimentation area 300, the sewage in the flocculation area 200 forms a high-concentration suspended sludge layer to increase the collision opportunity of particles, and effectively adsorbs pollutants such as colloid, suspended matters, emulsified oil, COD, metal ions and the like. The sludge is refluxed, so that the dosage of the medicament can be saved, and the concentration of suspended solids in the reaction zone can be maintained at the optimal level, thereby achieving the aim of optimizing flocculation reaction.
The two settling areas 300 are respectively communicated with the flocculation area 200. Wherein, the upper half of sedimentation zone 300 is provided with the inclined tube sedimentation portion 310, and the lower half of sedimentation zone 300 is provided with mud enrichment portion 330, and mud enrichment portion 330 is provided with mud scraping mechanism 331 and sludge bucket 332, and mud scraping mechanism 331 is used for scraping the sediment in the collection sedimentation zone 300 to in the sludge bucket 332. One end of the sludge bucket 332 is communicated with the flocculation area 200 for improving the flocculation performance of the flocculation area 200, and the other end is communicated with the outside for discharging sludge. Sewage in the flocculation zone 200 enters the sedimentation zone 300, clean water and sludge suspension are separated in the inclined tube sedimentation part 310 by the laminar flow principle, the sludge suspension is trapped in the inclined tube sedimentation part 310 and is sunk to the sludge concentration part 330 under the action of gravity, and the precipitated sludge is collected into the sludge hopper 332 by the sludge scraping mechanism 331. The sludge is extracted and returned to the flocculation zone 200 according to the treatment requirement to promote the reaction to generate more suspended matters, or is discharged to the outside, so that the sludge content in the sedimentation zone 300 is reduced, the phenomenon of sludge reflection is avoided, and the stable operation of equipment is maintained.
The arrangement of the two settling areas 300 can ensure the sewage treatment capacity under the high-load use state, and the operation efficiency is higher. The high-density sedimentation tank has the characteristics of high treatment efficiency, large water yield per unit area, strong adaptability, strong impact load resistance and stable treatment effect. And the structure is compact, and the occupied area is small.
In some embodiments of the present utility model, as shown in fig. 1 and 3, a clarification tank 320 is provided above the inclined tube settling part 310, the clarification tank 320 is communicated with the inclined tube settling part 310, and the sludge concentrating part 330 is communicated with the inclined tube settling part 310.
Specifically, the clarification tank 320 is disposed above the inclined tube settling portion 310, when the sewage in the settling zone 300 passes through the inclined tube settling portion 310, the clean water enters the clarification tank 320, and then passes through the clarification tank 320 to enter the next process, and the sludge is trapped in the inclined tube settling portion 310 and falls into the sludge hopper 332. The clarification tank 320 of the two settling areas 300 works together, and can cope with high-load sewage treatment, so that the sludge in the settling areas 300 is prevented from entering the clarification tank 320 to cause influence on the treatment effect.
In some embodiments of the present utility model, as shown in fig. 1 and 3, the inclined tube settling part 310 includes a plurality of inclined tubes arranged to be inclined, each of the inclined tubes is closely arranged, the top of the inclined tube is communicated with the clarification tank 320, and the bottom is communicated with the sludge concentrating part 330. The sewage in the settling zone 300 flows upward along the inclined tube, the sludge is trapped in the inclined tube, and the clean water enters the clarification tank 320.
Specifically, the whole sedimentation area 300 is fully paved by inclined pipes, the inclined pipes are closely arranged, the sludge is prevented from being accumulated in gaps among the inclined pipes, and the inclined pipes which are densely arranged are arranged in the sedimentation area 300, so that suspended impurities in sewage are sedimentated in the inclined pipes. When sewage flows up along the inclined pipe, the separated sludge slides down along the inclined pipe to the sludge concentration part 330 of the sedimentation area 300 under the action of gravity, and then the sludge is collected by the sludge scraping mechanism 331 to the sludge hopper 332 to be intensively discharged or returned to the flocculation area 200.
In some embodiments of the present utility model, the angle between the chute and the horizontal plane is 60 °, and the sludge in the chute enters the sludge concentration portion 330 by gravity. Specifically, the inclined tube is installed at an inclination of 60 ° to the horizontal direction, which can ensure that the sludge settled in the inclined tube can smoothly slide to the bottom of the settling zone 300 under the action of gravity without being deposited.
In a further embodiment, the cross-sectional area of the chute is hexagonal. The section of the inclined tube is hexagonal, so that a larger effective sedimentation area can be obtained, and the treatment efficiency is improved.
It should be understood that the use of a hexagonal tubular structure for the chute is not the only embodiment, and in other embodiments, regular triangles, regular quadrilaterals and regular pentagons may be used depending on the actual production requirements. The cross-sectional structure of the inclined tube is not described in detail, and it is understood that the cross-sectional structure of the inclined tube is flexibly changed without departing from the basic concept of the utility model, and the inclined tube is considered to be within the protection scope defined by the utility model.
In some embodiments of the present utility model, as shown in fig. 1 and 3, a hollow partition 333 is disposed at the top of the sludge scraping mechanism 331, and sludge in the sedimentation area 300 passes through the hollow partition 333 and enters the sludge bucket 332. Specifically, the mud scraping mechanism 331 extends into the sedimentation area 300 and extends to the bottom, in order to prevent damage caused by mistakenly touching the scraper of the mud scraping mechanism 331, a hollow partition plate 333 is arranged above the scraper of the mud scraping mechanism 331, and the hollow partition plate 333 can pass through sediments such as sludge and the like, so that sludge collection in the sedimentation area 300 is not affected. The mud scraping mechanism 331 is a well known technical solution for those skilled in the art, and will not be described in detail in the present embodiment.
In some embodiments of the present utility model, as shown in fig. 1 and 3, the sludge scraping mechanism 331 is located above the sludge hopper 332, and a scraper of the sludge scraping mechanism 331 is attached to the bottom of the sedimentation zone 300 for pushing sludge into the sludge hopper 332. Specifically, the scraper of the sludge scraping mechanism 331 is attached to the bottom of the sludge concentrating portion 330, so that sludge in the sedimentation area 300 can be collected in the sludge hopper 332, and the sludge collection efficiency is improved.
In some embodiments of the present utility model, a sludge circulation screw pump (not shown in the drawings) is provided at the bottom of the sludge hopper 332, and the sludge circulation screw pump is respectively communicated with the sludge hopper 332 and the flocculation zone 200 for drawing the sludge of the sludge hopper 332 into the flocculation zone 200. Specifically, the structure of the sludge circulation screw pump is a technical solution well known to those skilled in the art, and will not be described in detail in this embodiment.
The precipitated sludge in the sedimentation tank is scraped into a sludge bucket 332 at the bottom of the tank, and the sludge is pumped from the sludge bucket to reflux to the flocculation zone 200 by adopting a sludge circulation screw pump. The sludge in the sedimentation area 300 has a certain condensation property, the suspended solids of the sewage are increased by the backflow of the sludge, a flocculating constituent is formed to a certain extent, the sedimentation speed of the flocculating constituent can be increased by the backflow of sludge particles, meanwhile, the removal rate of pollutants can be greatly improved by the flocculation adsorption effect of biological flocculating constituents in the sludge, the effect of strengthening primary treatment is achieved, and excessive dosing of medicaments can be avoided.
In some embodiments of the present utility model, a sludge discharge screw pump (not shown in the drawings) is provided at the bottom of the sludge hopper 332, and the sludge discharge screw pump communicates with the sludge hopper 332 and the outside, respectively, for pumping the sludge of the sludge hopper 332 to the outside. Specifically, the structure of the sludge discharge screw pump is a technical solution well known to those skilled in the art, and will not be described in detail in this embodiment.
The pump body structure adopted by the sludge circulation screw pump and the sludge discharge screw pump is the same.
In some embodiments of the present utility model, as shown in fig. 1, the bottom of the flocculation zone 200 is in communication with the sedimentation zone 300, which enables better passage of the sediment of the flocculation zone 200 into the sedimentation zone 300, improving the treatment efficiency.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A high density sedimentation tank, comprising:
a coagulation zone (100), wherein the coagulation zone (100) is provided with a coagulation stirring mechanism (110);
a flocculation zone (200), the flocculation zone (200) being provided with a flocculation stirring mechanism (210), the flocculation zone (100) being in communication with the flocculation zone (200);
two sedimentation areas (300), wherein the two sedimentation areas (300) are respectively communicated with the flocculation area (200);
the device comprises a sedimentation zone (300), wherein an inclined tube sedimentation part (310) is arranged at the upper half part of the sedimentation zone (300), a sludge concentration part (330) is arranged at the lower half part of the sedimentation zone (300), a sludge scraping mechanism (331) and a sludge bucket (332) are arranged at the sludge concentration part (330), and the sludge scraping mechanism (331) is used for scraping and collecting sediment in the sedimentation zone (300) into the sludge bucket (332);
one end of the sludge hopper (332) is communicated with the flocculation area (200) and is used for improving the flocculation performance of the flocculation area (200), and the other end of the sludge hopper is communicated with the outside and is used for discharging sludge.
2. The high-density sedimentation tank according to claim 1, characterized in that a clarification tank (320) is provided above the inclined tube sedimentation portion (310), the clarification tank (320) is communicated with the inclined tube sedimentation portion (310), and the sludge concentration portion (330) is communicated with the inclined tube sedimentation portion (310).
3. The high-density sedimentation tank of claim 2, wherein the inclined tube sedimentation portion (310) comprises a plurality of inclined tubes which are obliquely arranged, the inclined tubes are closely arranged, the top of each inclined tube is communicated with the clarification tank (320), and the bottom is communicated with the sludge concentration portion (330);
sewage in the sedimentation zone (300) flows upwards along the inclined tube, sludge is trapped in the inclined tube, and clear water enters the clarification tank (320).
4. A high density sedimentation tank as claimed in claim 3, characterized in that the angle between the inclined tube and the horizontal plane is 60 °, the sludge in the inclined tube entering the sludge concentration section (330) under the action of gravity.
5. A high density sedimentation tank as claimed in claim 3, in which the cross-sectional area of the inclined tube is hexagonal.
6. The high-density sedimentation tank of claim 1, wherein a hollowed-out partition (333) is arranged at the top of the sludge scraping mechanism (331), and sludge in the sedimentation zone (300) passes through the hollowed-out partition (333) to enter the sludge bucket (332).
7. The high-density sedimentation tank of claim 6, characterized in that the sludge scraping mechanism (331) is located above the sludge hopper (332), and a scraper of the sludge scraping mechanism (331) is attached to the bottom of the sedimentation zone (300) for pushing sludge into the sludge hopper (332).
8. The high-density sedimentation tank of claim 6, characterized in that the bottom of the sludge hopper (332) is provided with a sludge circulation screw pump, which is respectively communicated with the sludge hopper (332) and the flocculation zone (200) for drawing the sludge of the sludge hopper (332) into the flocculation zone (200).
9. The high-density sedimentation tank of claim 6, characterized in that a sludge discharge screw pump is provided at the bottom of the sludge hopper (332), and the sludge discharge screw pump is respectively communicated with the sludge hopper (332) and the outside for pumping the sludge of the sludge hopper (332) to the outside.
10. The high density sedimentation tank of any one of claims 1 to 9, characterized in that the bottom of the flocculation zone (200) communicates with the sedimentation zone (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924318.3U CN219355339U (en) | 2023-04-21 | 2023-04-21 | High-density sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924318.3U CN219355339U (en) | 2023-04-21 | 2023-04-21 | High-density sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219355339U true CN219355339U (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320924318.3U Active CN219355339U (en) | 2023-04-21 | 2023-04-21 | High-density sedimentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219355339U (en) |
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- 2023-04-21 CN CN202320924318.3U patent/CN219355339U/en active Active
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