CN210796129U - Novel sewage treatment system - Google Patents
Novel sewage treatment system Download PDFInfo
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- CN210796129U CN210796129U CN201921671590.5U CN201921671590U CN210796129U CN 210796129 U CN210796129 U CN 210796129U CN 201921671590 U CN201921671590 U CN 201921671590U CN 210796129 U CN210796129 U CN 210796129U
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Abstract
The utility model discloses a novel sewage treatment system, including the hydrolytic acidification pond that is linked together in proper order, one-level good oxygen pond, the anaerobism pond, second grade good oxygen pond, sedimentation tank and filtering and disinfecting pond, the hydrolytic acidification pond, one-level good oxygen pond, the anaerobism pond, the equipartition is equipped with the microorganism filler in the second grade good oxygen pond, wherein, all be provided with the oxygen device that exposes to the sun that is used for increasing the interior oxygen volume of pond in one-level good oxygen pond and the second grade good oxygen pond, connecting tube and sedimentation tank's bottom intercommunication is passed through to the bottom in anaerobism pond, the top in second grade good oxygen pond and sedimentation tank is passed through pipeline all and is. The utility model discloses a novel sewage treatment system can carry out cyclic utilization to the used microbial strain among the sewage treatment process, improves the utilization ratio of microbial strain, reduction in production cost to sludge to among the sewage treatment process consumes, reduces the production of mud.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to a novel sewage treatment system.
Background
Along with the development of society and the improvement of the living standard of people, people pay more and more attention to the environmental protection problem, and sewage treatment is an important part of the environmental protection problem. In the process of sewage treatment, strict requirements are placed on water quality indexes such as organic matters, ammonia nitrogen, total phosphorus and the like in sewage, and the key point of sewage treatment is to reduce the contents of the organic matters, the ammonia nitrogen, the total phosphorus and the like in the sewage. The sewage has the conditions of microorganism growth and reproduction, so that the microorganisms can obtain nutrients from the sewage and degrade and utilize harmful substances, thereby purifying the sewage, and in the existing sewage treatment technology, the aims of effectively removing organic matters, ammonia nitrogen, total phosphorus and other substances in the sewage are achieved through the adsorption, absorption, degradation, oxidation, synthesis and other effects of the microorganisms attached to the biological filler. However, the existing sewage treatment equipment adopting the biological filler has a low utilization rate of microbial strains, the content of the microbial strains in the water is consumed quickly, the microbial strains need to be fed into the water frequently, on one hand, the sewage treatment effect is not ideal due to the untimely supplement of the microbial strains, and on the other hand, the sewage treatment cost is increased.
Disclosure of Invention
The utility model discloses aim at solving one of the above-mentioned technical problem at least, provide a novel sewage treatment system, can carry out cyclic utilization to the used microbial strains among the sewage treatment process, improve microbial strains's utilization ratio, reduction in production cost to mud to among the sewage treatment process consumes, reduces the production of mud.
In order to realize the aim, the utility model provides a novel sewage treatment system, which comprises a hydrolysis acidification tank, a first-level aerobic tank, an anaerobic tank, a second-level aerobic tank, a sedimentation tank and a filtering disinfection tank which are sequentially communicated, wherein microbial fillers are uniformly distributed in the hydrolysis acidification tank, the first-level aerobic tank, the anaerobic tank and the second-level aerobic tank, wherein, the bottom of the hydrolysis acidification tank is provided with a water supply device for supplying sewage into the tank body, the filtering and disinfection tank is provided with a water outlet pipe, the primary aerobic tank and the secondary aerobic tank are both provided with oxygen aeration devices for increasing the oxygen amount in the tanks, the bottom of the anaerobic tank is communicated with the bottom of the sedimentation tank through a connecting pipeline, so that the silt of sedimentation tank bottom can let in to the bottom of anaerobism pond, and the top of second grade good oxygen pond and sedimentation tank all communicates with one-level good oxygen pond through pipeline to carry the partial sewage on second grade good oxygen pond and sedimentation tank upper portion to one-level good oxygen pond in.
Further, adjacent two of the hydrolytic acidification tank, the first-stage aerobic tank, the anaerobic tank and the second-stage aerobic tank are communicated through a water delivery pipe, the water delivery pipe comprises a first water delivery pipe and a second water delivery pipe, the front end of the first water delivery pipe is arranged on the upper portion of the last tank body and provided with a plurality of water inlet holes, the rear end of the first water delivery pipe is arranged on the upper portion of the next tank body, the upper end of the second water delivery pipe is communicated with the rear end of the first water delivery pipe, and the lower end of the second water delivery pipe extends to the lower portion of the tank body and is provided with a plurality.
Furthermore, the water supply device comprises a water supply pipe which is arranged at the bottom of the regulating tank in a bending and winding manner, a plurality of water outlets are distributed on the water supply pipe along the length direction of the water supply pipe, and one-way check valves are arranged on the water outlets.
Furthermore, the middle part of the hydrolysis acidification tank is provided with a filtering membrane, the hydrolysis acidification tank is divided into an upper half part and a lower half part by the filtering membrane, and the water distributor is arranged on the lower half part, so that the sewage of the lower half part flows to the upper half part after being filtered by the filtering membrane.
Furthermore, the pump body is arranged on the conveying pipeline, one end of the pump body extends into the middle of the first-stage aerobic tank, and the other end of the pump body is provided with two conveying branch pipes which respectively extend into the middle of the second-stage aerobic tank and the middle of the sedimentation tank.
Further, the oxygen aeration device comprises an air supply pipeline, one end of the oxygen supply pipeline is connected with an air supply device, the other end of the oxygen supply pipeline is provided with two branch pipes which are communicated to the bottoms of the first-stage aerobic pool and the second-stage aerobic pool respectively, air supply heads are installed on the two branch pipes, and a plurality of air outlet holes are distributed in the air supply heads.
Further, the second-stage aerobic tank is communicated with the sedimentation tank through a third water conveying pipe, one end of the third water conveying pipe is communicated with the upper portion of the second-stage aerobic tank, the other end of the third water conveying pipe is communicated to the middle portion of the sedimentation tank, the sedimentation tank is communicated with the filtering and disinfecting tank through a fourth water conveying pipe, one end of the fourth water conveying pipe is communicated with the upper portion of the sedimentation tank, and the other end of the fourth water conveying pipe is communicated to the bottom of the filtering and disinfecting tank.
Further, the multilayer filter layers are distributed in the filtering and disinfecting tank along the height direction of the tank body, each layer of filter membrane comprises stone grains and active carbon particles, the particle sizes of the stone grains and the active carbon particles are gradually reduced from the lower layer to the upper layer, and the two adjacent filter layers are separated through the filter membranes.
Further, the hydrolysis acidification tank, the first-stage aerobic tank, the anaerobic tank, the second-stage aerobic tank, the sedimentation tank and the filtering and disinfecting tank are all containers made of stainless steel materials, and an anti-corrosion film is arranged on the inner wall of the sedimentation tank.
The beneficial effects are that: compared with the prior art, the novel sewage treatment system of the utility model has the advantages that the microbial strains utilized in the sewage treatment process comprise anaerobic strains and aerobic strains, the sedimentation tank is communicated with the bottom of the anaerobic tank through the connecting pipeline, the sludge at the bottom of the sedimentation tank can flow back to the anaerobic tank, the anaerobic strains in the sludge can be repeatedly recycled in the anaerobic tank due to the microbial strains and organic matter impurities mixed in the sludge, the aerobic strains can be recycled in the second-level aerobic tank, meanwhile, the organic matters in the sludge can be further decomposed, the sludge generation and discharge amount can be reduced, meanwhile, partial sewage in the second-level aerobic tank and the sedimentation tank can be conveyed into the first-level aerobic tank, so that partial microbial strains in the sewage can flow back to the first-level aerobic tank for continuous recycling, thereby improving the utilization rate of the microbial strains.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a novel sewage treatment system of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can be intervening components, and when a component is referred to as being "disposed in the middle," it is not just disposed in the middle, so long as it is not disposed at both ends, but rather is within the scope of the middle. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items
As shown in figure 1, a novel sewage treatment system comprises a hydrolysis acidification tank 1, a first-level aerobic tank 2, an anaerobic tank 3, a second-level aerobic tank 4, a sedimentation tank 5 and a filtering disinfection tank 6 which are sequentially communicated, wherein microbial fillers 7 are uniformly distributed in the hydrolysis acidification tank 1, the first-level aerobic tank 2, the anaerobic tank 3 and the second-level aerobic tank 4, the microbial fillers 7 adopted in the application are existing materials and are not described in detail, wherein a water supply device 8 for supplying sewage into the tank body is arranged at the bottom of the hydrolysis acidification tank 1, a water outlet pipe 9 is arranged in the filtering disinfection tank 6, so that sewage is supplied from the bottom of the hydrolysis acidification tank 1 and sequentially passes through the hydrolysis acidification tank 1, the first-level aerobic tank 2, the anaerobic tank 3, the second-level aerobic tank 4, the sedimentation tank 5 and the filtering disinfection tank 6 for treatment, and is finally discharged from the water outlet pipe 9, and aeration devices for increasing the oxygen amount in the first-level aerobic tank 2 and the second-level aerobic tank 4 are arranged, thereby do benefit to the growth of the interior aerobic microbial bacterial of cell body and breed, the bottom intercommunication of connecting tube 10 and sedimentation tank 5 is passed through to the bottom of anaerobism pond 3 in the bottom of anaerobism pond 3, so that the silt of sedimentation tank 5 bottom can let in to the bottom of anaerobism pond 3, preferably, in order to make the transport of mud more unblocked, can add on connecting tube 10 and establish the pump body 16, carry the mud of sedimentation tank 5 bottom to the bottom of anaerobism pond 3 through the pump body 16, the top of second grade aerobic tank 4 and sedimentation tank 5 all communicates with one-level aerobic tank 2 through pipeline 11, in order to carry the partial sewage on second grade aerobic tank 4 and sedimentation tank 5 upper portion to one-level aerobic tank 2. When the sewage is treated, anaerobic bacteria are used for consuming organic matters in the sewage to reduce substances such as ammonia nitrogen, COD (chemical oxygen demand), BOD (biochemical oxygen demand) and the like, and both oxygen aeration and oxygen consumption are used for treating the organic matters in the sewage to reduce substances such as ammonia nitrogen, COD, BOD and the like.
Further, adjacent two tank bodies in the hydrolysis acidification tank 1, the first-stage aerobic tank 2, the anaerobic tank 3 and the second-stage aerobic tank 4 can be communicated through a water conveying pipe, the water conveying pipe comprises a first water conveying pipe 12 and a second water conveying pipe 13, the front end of the first water conveying pipe 12 is arranged on the upper part of the last tank body and is provided with a plurality of water inlet holes 14, the rear end of the first water conveying pipe is arranged on the upper part of the next tank body, the upper end of the second water conveying pipe 13 is communicated with the rear end of the first water conveying pipe 12, the lower end of the second water conveying pipe extends to the lower part of the tank body and is provided with a plurality of water outlet holes, the last tank body mentioned herein refers to the tank body which is positioned above in the flowing direction of sewage in two adjacent communicated tank bodies, namely the hydrolysis acidification tank 1, the first-stage aerobic tank 2, the anaerobic tank 3, the second-stage aerobic tank 4, the sedimentation tank 5 and the filtering and disinfection tank 6 are sequentially, therefore, in the process of upward movement of sewage from the bottom of the tank body, the sewage can be in full contact reaction with microbial strains on the microbial filler 7, and the sewage treatment effect is further improved.
Further, the water supply device 8 may include a water supply pipe disposed at the bottom of the conditioning tank in a winding manner, a plurality of water outlets are disposed on the water supply pipe along the length direction thereof, and a one-way check valve is installed on the water outlets. It is specific, the one end of delivery pipe extends outside the equalizing basin and can make sewage flow into to the equalizing basin in through the delivery port on the delivery pipe, flow out through making sewage from a plurality of even orientation hydrolysis acidification tank 1 each direction in of delivery port, thereby make sewage can be more even with the microbial strain contact on the microbial filler 7, and then improved decomposition reaction efficiency, and simultaneously, through adopting the less delivery port of a plurality of bores, and install one-way check valve on the delivery port, can prevent that the delivery pipe mud from causing the condition of jam to the delivery port when stopping supplying water.
Further, the middle part of hydrolysis-acidification tank 1 can be provided with filtration membrane 15, filtration membrane 15 separates first half and latter half with hydrolysis-acidification tank 1, the water-locator is installed in the latter half, so that the sewage of latter half flows to first half after filtration membrane 15's filtration, in this embodiment, filtration membrane 15 adopts the current filtration membrane 15 structure on the market, through being provided with filtration membrane 15, can carry out prefilter to sewage impurity, and then reduce the impurity that flows into next tank body, can be provided with the drain in hydrolysis-acidification tank 1's bottom simultaneously, and then discharge the mud impurity that will deposit.
Further, the pump body 16 can be installed on the conveying pipeline 11, one end of the pump body extends into the middle of the first-stage aerobic tank 2, the other end of the pump body is provided with two conveying branch pipes which extend into the middle of the second-stage aerobic tank 4 and the middle of the sedimentation tank 5 respectively, so that partial sewage in the second-stage aerobic tank 4 and the sedimentation tank 5 is pumped into the first-stage aerobic tank 2, the sewage in the middle of the second-stage aerobic tank 4 and the sedimentation tank 5 is pumped into the first-stage aerobic tank 2, the supernatant on the upper portions of the second-stage aerobic tank 4 and the sedimentation tank 5 cannot be influenced to flow into the next tank body, the pumped sewage is introduced into the middle of the first-stage aerobic tank 2, and microbial strains can stay in the first-stage.
Further, the oxygen exposure device can include gas supply line 17, the one end that supplies the pipeline is connected with air feeder, the other end sets up two branch pipes and communicates respectively to the bottom of one-level good oxygen pond 2 and second grade good oxygen pond 4, and all install the air feed head 18, a plurality of ventholes have been laid on the air feed head 18, air feeder can adopt air-blast air feeder, through inhaling in the gas supply line 17 with the air, and let in to one-level good oxygen pond 2 and second grade good oxygen pond 4 through the air feed head 18 on two branch pipes, thereby make the internal sewage of pond and air contact oxygenate, and stir the internal sewage of pond, oxygen in the acceleration air shifts to in the sewage, prevent the internal suspension body of pond from sinking, strengthen the internal organic matter of pond and the contact of microorganism and dissolved oxygen, thereby realize carrying out oxidative decomposition to the organic matter in the sewage.
Further, the secondary aerobic tank 4 and the sedimentation tank 5 can be communicated through a third water pipe 19, one end of the third water pipe 19 is communicated with the upper part of the secondary aerobic tank 4, the other end of the third water pipe 19 is communicated with the middle part of the sedimentation tank 5, the sedimentation tank 5 is communicated with the filtering and disinfecting tank 6 through a fourth water pipe 20, one end of the fourth water pipe 20 is communicated with the upper part of the sedimentation tank 5, the other end of the fourth water pipe 20 is communicated with the bottom part of the filtering and disinfecting tank 6, the microbial strains attached to the microbial fillers 7 grow to a certain degree and can fall off membrane-shaped bacteria mass, a large amount of membrane-shaped bacteria mass floats in the sedimentation tank 5, the sedimentation tank 5 adopts an open container with an opening at the top and can contact oxygen in the air, so that the supernatant of the secondary aerobic tank 4 is introduced into the middle part of the sedimentation tank 5 by utilizing the reaction and decomposition of the membrane-shaped bacteria mass, and the sewage, decomposing organic matters in the sewage, and then introducing the supernatant into a filtering and disinfecting tank 6 for filtering and disinfecting.
Specifically, multiple filter layers 21 can be distributed in the filtering and disinfecting tank 6 along the height direction of the tank body, each filter membrane 15 comprises stone grains and active carbon grains, the grain diameters of the stone grains and the active carbon grains are gradually reduced from the lower layer to the upper layer, the two adjacent filter layers 21 are separated through the filter membranes 15, and the sewage can be filtered in multiple stages with different stratification degrees through the multiple filter layers 21 and the filter membranes 15, so that the sewage treatment effect is improved.
Further, hydrolysis-acidification tank 1, one-level good oxygen pond 2, anaerobism pond 3, second grade good oxygen pond 4, sedimentation tank 5 and filtering and disinfecting pond 6 are the container that stainless steel material made, and the inner wall is provided with anticorrosive film, can install the container at different positions with the container as required and carry out reasonable laying, and it is more convenient to use, can repeatedly carry out dismouting use, can adopt the environmental protection among the prior art simultaneously anticorrosive inner wall to the cell body to protect, thereby improve the life of cell body.
The utility model discloses a novel microbial strain that sewage treatment system utilized in the sewage treatment process includes anaerobism bacterial and good oxygen bacterial, through being provided with connecting tube 10 with the bottom intercommunication of sedimentation tank 5 and anaerobism pond 3, can make the mud of sedimentation tank 5 bottom flow back to in the anaerobism pond 3, because still mix microbial strain and organic matter impurity in the mud, thereby can make the anaerobism bacterial in the mud carry out the repeated cyclic utilization in anaerobism pond 3, good oxygen bacterial can be cyclic utilization in second grade good oxygen pond 4, can further decompose the organic matter in the mud simultaneously, thereby consume mud, reduce mud production and emission, simultaneously through carrying the part sewage in second grade good oxygen pond 4 and sedimentation tank 5 to first grade good oxygen pond 2 in, make part microbial strain in the sewage flow back to and continue to circulate in first grade good oxygen pond 2, thereby improving the utilization rate of the microbial strains. Meanwhile, the treatment effect on sewage can be greatly improved through the treatment structures of the first-stage aerobic tank 2, the anaerobic tank 3, the second-stage aerobic tank 4 and the sedimentation tank 5.
The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.
Claims (9)
1. A novel sewage treatment system is characterized by comprising a hydrolysis acidification tank (1), a first-level aerobic tank (2), an anaerobic tank (3), a second-level aerobic tank (4), a sedimentation tank (5) and a filtering and disinfecting tank (6) which are sequentially communicated, wherein microbial fillers (7) are uniformly distributed in the hydrolysis acidification tank (1), the first-level aerobic tank (2), the anaerobic tank (3) and the second-level aerobic tank (4), wherein a water supply device (8) for supplying sewage into a tank body is arranged at the bottom of the hydrolysis acidification tank (1), a water outlet pipe (9) is arranged in the filtering and disinfecting tank (6), oxygen aeration devices for increasing the oxygen amount in the tanks are respectively arranged in the first-level aerobic tank (2) and the second-level aerobic tank (4), the bottom of the anaerobic tank (3) is communicated with the bottom of the sedimentation tank (5) through a connecting pipeline (10), so that sludge at the bottom of the sedimentation tank (5) can be introduced to the bottom of the anaerobic tank (3), the tops of the secondary aerobic tank (4) and the sedimentation tank (5) are communicated with the primary aerobic tank (2) through a conveying pipeline (11) so as to convey part of sewage at the upper parts of the secondary aerobic tank (4) and the sedimentation tank (5) into the primary aerobic tank (2).
2. The novel sewage treatment system according to claim 1, wherein adjacent two of the hydrolytic acidification tank (1), the primary aerobic tank (2), the anaerobic tank (3) and the secondary aerobic tank (4) are communicated with each other through water pipes, each water pipe comprises a first water pipe (12) and a second water pipe (13), the front end of the first water pipe (12) is arranged on the upper portion of the last tank and provided with a plurality of water inlet holes (14), the rear end of the first water pipe is arranged on the upper portion of the next tank, the upper end of the second water pipe (13) is communicated with the rear end of the first water pipe (12), and the lower end of the second water pipe extends to the lower portion of the tank and is provided with a plurality of water outlet holes.
3. The sewage treatment system according to claim 1, wherein said water supply device (8) comprises a water supply pipe which is arranged at the bottom of the regulating tank in a winding manner, a plurality of water outlets are arranged on the water supply pipe along the length direction of the water supply pipe, and one-way check valves are arranged on the water outlets.
4. The novel sewage treatment system according to claim 1, wherein the hydrolysis acidification tank (1) is provided with a filtering membrane (15) in the middle, the filtering membrane (15) separates the hydrolysis acidification tank (1) into an upper half and a lower half, and a water distributor is installed in the lower half, so that sewage in the lower half flows to the upper half after being filtered by the filtering membrane (15).
5. A novel sewage treatment system according to claim 1, wherein the transfer pipe (11) is provided with a pump body (16), one end of which extends into the middle of the primary aerobic tank (2), and the other end of which is provided with two transfer branches which extend into the middle of the secondary aerobic tank (4) and the sedimentation tank (5), respectively.
6. The novel sewage treatment system according to claim 5, wherein the oxygen aeration device comprises a gas supply pipeline (17), one end of the gas supply pipeline is connected with a gas supply device, the other end of the gas supply pipeline is provided with two branch pipes which are respectively communicated with the bottoms of the primary aerobic tank (2) and the secondary aerobic tank (4), and are provided with gas supply heads (18), and a plurality of gas outlet holes are distributed on the gas supply heads (18).
7. The novel sewage treatment system according to claim 5, wherein the secondary aerobic tank (4) is communicated with the sedimentation tank (5) through a third water pipe (19), one end of the third water pipe (19) is communicated with the upper part of the secondary aerobic tank (4), the other end is communicated to the middle part of the sedimentation tank (5), the sedimentation tank (5) is communicated with the filtering and disinfecting tank (6) through a fourth water pipe (20), one end of the fourth water pipe (20) is communicated with the upper part of the sedimentation tank (5), and the other end is communicated to the bottom of the filtering and disinfecting tank (6).
8. The novel sewage treatment system according to claim 7, wherein a plurality of filter layers (21) are arranged in the filtering and disinfecting tank (6) along the height direction of the tank body, each filter membrane (15) comprises stone grains and activated carbon grains, the grain sizes of the stone grains and the activated carbon grains are gradually reduced from the lower layer to the upper layer, and two adjacent filter layers (21) are separated by the filter membranes (15).
9. The novel sewage treatment system according to claim 1, wherein the hydrolysis acidification tank (1), the primary aerobic tank (2), the anaerobic tank (3), the secondary aerobic tank (4), the sedimentation tank (5) and the filtering and disinfecting tank (6) are all containers made of stainless steel materials, and the inner wall of the containers is provided with an anticorrosive film.
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CN110550828A (en) * | 2019-10-08 | 2019-12-10 | 广西壮族自治区畜牧研究所 | Novel sewage treatment system and treatment method |
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CN110550828A (en) * | 2019-10-08 | 2019-12-10 | 广西壮族自治区畜牧研究所 | Novel sewage treatment system and treatment method |
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