CN214654276U - A filler-enhanced domestic sewage treatment system - Google Patents
A filler-enhanced domestic sewage treatment system Download PDFInfo
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- CN214654276U CN214654276U CN202022568428.XU CN202022568428U CN214654276U CN 214654276 U CN214654276 U CN 214654276U CN 202022568428 U CN202022568428 U CN 202022568428U CN 214654276 U CN214654276 U CN 214654276U
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Abstract
本实用新型提供一种填料强化生活污水处理系统，包括缺氧池、好氧池、MBR膜池以及依次连通缺氧池、好氧池和MBR膜池的污水处理管路，缺氧池和好氧池内均放置菌藻填料装置，菌藻填料装置包括竖管以及套设在竖管上用于盛放菌藻填料的填料盒，填料盒表面有孔洞；缺氧池的菌藻填料为厌氧菌和/或兼性菌，好氧池的菌藻填料为好氧菌。本实用新型的优点是通过限制菌藻填料在填料盒内生长，避免了常规活性污泥法中活性污泥随意悬浮的问题，有效的降低了后续MBR膜组件的工作压力，提高污水处理的工作效率的同时也延长MBR膜组件了使用寿命。
The utility model provides a filler-enhanced domestic sewage treatment system, which comprises an anoxic tank, an aerobic tank, an MBR membrane tank, and a sewage treatment pipeline sequentially connected to the anoxic tank, the aerobic tank and the MBR membrane tank. The bacteria and algae packing device is placed in the oxygen tank. The bacteria and algae packing device includes a vertical pipe and a stuffing box sleeved on the vertical pipe for containing the bacteria and algae packing. The surface of the stuffing box has holes; the bacteria and algae packing in the anoxic tank is anaerobic. Bacteria and/or facultative bacteria, the bacteria and algae fillers in the aerobic tank are aerobic bacteria. The advantage of the utility model is that by restricting the growth of bacteria and algae fillers in the stuffing box, the problem of random suspension of activated sludge in the conventional activated sludge method is avoided, the working pressure of the subsequent MBR membrane module is effectively reduced, and the work of sewage treatment is improved. The efficiency also extends the service life of the MBR membrane module.
Description
Technical Field
The utility model relates to a belong to domestic sewage treatment technical field, concretely relates to filler intensive domestic sewage treatment system.
Background
Modern sewage treatment technology is divided into primary, secondary and tertiary treatment technologies according to treatment degree. The first stage treatment of sewage is carried out by removing insoluble suspended solids and floating substances from sewage by physical methods such as screening, sedimentation, etc. The secondary sewage treatment mainly adopts a biological treatment method, namely a process of substance conversion through the metabolism of microorganisms to oxidize and degrade various complex organic matters in the sewage into simple substances, and the biological treatment has certain requirements on the quality, the temperature, the dissolved oxygen amount in water, the pH value and the like of the sewage. The third-stage sewage treatment is to remove insoluble organic matters, phosphorus, nitrogen and other nutritive substances in sewage by physical and chemical methods such as coagulation, filtration, ion exchange, reverse osmosis and the like on the basis of the first-stage treatment and the second-stage treatment. The composition of pollutants in sewage is very complex, and the combination of the methods is often needed to meet the treatment requirement.
At present, the A/O + MBR membrane mode becomes a common domestic sewage treatment technology, the A/O generally adopts an activated sludge method or a biofilm method, but the activated sludge is randomly suspended in water and the biofilm is aged and falls off from a carrier, so that the working pressure of the subsequent MBR membrane is easily and rapidly increased, and the technical problems are not solved in the prior art, so that the MBR membrane is easy to block, the cleaning frequency is high, the service life is short, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the weak point that exists in the above-mentioned technique, provide a domestic sewage treatment system to solve the easy problem of blockking up of MBR membrane among the current domestic sewage treatment system.
A filler reinforced domestic sewage treatment system comprises an anoxic tank, an aerobic tank, an MBR membrane tank and a sewage treatment pipeline which is communicated with the anoxic tank, the aerobic tank and the MBR membrane tank in sequence, wherein aeration devices are arranged in the aerobic tank and the MBR membrane tank; a water inlet of the sewage treatment pipeline is communicated with one end of the water inlet pipeline; the other end of the water inlet pipeline is communicated with the regulating tank, and a first water suction pump is arranged on the water inlet pipeline; one end of the water outlet pipeline is communicated with the MBR membrane tank, the other end of the water outlet pipeline is communicated with the middle water tank, and a second water suction pump is arranged on the water outlet pipeline; the aerobic pool and the anoxic pool are both provided with bacteria and algae filling devices, each bacteria and algae filling device comprises a vertical pipe and a filling box which is sleeved on the vertical pipe and is used for containing immobilized bacteria and algae filling, and the surface of the filling box is provided with a hole; the bacteria and algae stuffing of the anoxic pond is anaerobic bacteria and/or facultative bacteria, and the bacteria and algae stuffing of the aerobic pond is aerobic bacteria.
Preferably, the anoxic pond and the aerobic pond are both provided with a bracket, and the vertical pipe is detachably arranged on the bracket; the vertical pipe is connected with the bracket through a hook, or the vertical pipe is connected with the bracket through a mortise and tenon joint mode.
Preferably, fungus algae filler means still includes the gliding stop device of restriction stuffing box, and stop device is including setting up on the standpipe and being located the hole of stuffing box below to and can insert the bolt in the hole.
Preferably, a plurality of circular holes are uniformly distributed on the stuffing box, and the diameter of each hole is 1mm-2 mm.
Preferably, the stuffing box comprises a box cover and a box body, and a lock catch is arranged between the box cover and the box body.
Preferably, a fine grid is arranged at the water inlet of the sewage treatment pipeline.
Preferably, the MBR membrane tank comprises an MBR membrane module and an inclined plate precipitation device, and the inclined plate precipitation device is arranged between the flow paths of the aerobic tank and the MBR membrane module, so that sewage can flow into the MBR membrane module after passing through the aerobic tank and the inclined plate precipitation device in sequence.
Preferably, the sewage treatment device further comprises a sludge treatment assembly, the sludge treatment assembly comprises a sludge pipeline and a sludge pump arranged on the sludge pipeline, and one end of the sludge pipeline is communicated with the MBR membrane tank and is positioned between the aerobic tank and a flow path of the inclined plate sedimentation device.
Preferably, a second water suction pump is arranged on the water outlet pipeline; the domestic sewage treatment system also comprises a backwashing component, the backwashing component comprises a backwashing pipeline connected with the water outlet pipeline in parallel and a backwashing pump arranged on the backwashing pipeline, one end of the backwashing pipeline is communicated with the reclaimed water tank, and the other end of the backwashing pipeline is communicated with the MBR membrane tank.
Preferably, the anoxic tank, the aerobic tank and the MBR membrane tank are arranged in an equipment shell, a baffle plate is arranged in the equipment shell, and the equipment shell and the baffle plate form a sewage treatment pipeline.
By adopting the technical scheme, the filler reinforced domestic sewage treatment system is characterized in that the bacteria and algae filler devices are respectively arranged in the anoxic pond and the aerobic pond, each bacteria and algae filler device comprises a vertical pipe and a filler box which is sleeved on the vertical pipe and is used for containing bacteria and algae filler, and holes are formed in the surface of the filler box; the bacteria and algae stuffing of the anoxic pond is anaerobic bacteria and/or facultative bacteria, and the bacteria and algae stuffing of the aerobic pond is aerobic bacteria. By limiting the growth of the bacteria and algae filler in the stuffing box, the problem of random suspension of activated sludge in the conventional activated sludge process is avoided, the working pressure of the subsequent MBR membrane module is effectively reduced, the working efficiency of sewage treatment is improved, and the service life of the MBR membrane module is prolonged.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of a domestic sewage treatment system of the present invention;
FIG. 2 is a schematic structural view of the fungus-algae filling device of the present invention;
in the figure: the device comprises an anoxic pond 11, an aerobic pond 12, an MBR membrane pond 13, an MBR membrane module 131, an inclined plate sedimentation device 132, an aeration device 14, a reclaimed water pond 15, a fan 16, an adjusting pond 17, a sewage treatment pipeline 2, a first water suction pump 21, a fine grid 22, a water inlet pipeline 23, a water outlet pipeline 3, a second water suction pump 31, a backwashing pipeline 32, a backwashing pump 33, a bacteria and algae filling device 4, a vertical pipe 41, a filling box 42, a box cover 421, a box body 422, a lock 423, a hole 43, a bolt 44, a support 5, an equipment shell 6, a baffle 61, a sludge pipeline 7 and a sludge pump 71.
Detailed Description
For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.
Example 1
As shown in fig. 1-2, a filler-enhanced domestic sewage treatment system comprises an anoxic tank 11, an aerobic tank 12, an MBR membrane tank 13, and a sewage treatment pipeline 2 sequentially communicating the anoxic tank 11, the aerobic tank 12 and the MBR membrane tank 13, wherein aeration devices 14 are arranged in the aerobic tank 12 and the MBR membrane tank 13; a first water suction pump 21 is arranged at the water inlet of the sewage treatment pipeline 2, and one end of the water outlet pipeline 3 is arranged in the MBR membrane tank 13; the other end of the water outlet pipeline 3 is arranged in the middle water pool 15; the aerobic tank 12 and the anoxic tank 11 are both provided with a bacteria and algae filling device 4, the bacteria and algae filling device 4 comprises a vertical pipe 41 and a filling box 42 which is sleeved on the vertical pipe 41 and is used for containing bacteria and algae filling, and the surface of the filling box 42 is provided with a hole; the bacteria and algae filling of the anoxic tank 11 is anaerobic bacteria and/or facultative bacteria, and the bacteria and algae filling of the aerobic tank 12 is aerobic bacteria.
When domestic sewage is treated, the sewage is pumped out of the regulating tank 17 by using the first water suction pump 21, the sewage firstly passes through the anoxic tank 11 filled with bacteria and algae filler, then automatically flows into the aerobic tank 12 filled with immobilized bacteria and algae filler, then automatically flows into the MBR membrane tank 13, is discharged into the middle water tank 15 from the MBR membrane tank after being purified, and the aeration device 14 aerates the aerobic tank 12 and the MBR membrane tank through the fan 16.
Preferably, the bacteria-algae filler is preferably immobilized bacteria-algae filler which is wrapped by a high polymer material shell and has porous interior; the immobilized bacteria-algae filler can limit bacteria-algae to grow in a certain range, the problem that activated sludge is suspended randomly in a conventional activated sludge method is avoided, the filler box 21 limits the range of motion of the immobilized bacteria-algae filler, the filler box is prevented from floating and colliding randomly, the sewage purification effect is influenced, and the bacteria-algae filler in the anoxic pond 11 and the aerobic pond 12 can be distributed more uniformly due to the arrangement of the filler box 21, so that the sewage treatment efficiency is greatly improved.
Example 2
In order to facilitate the installation and combination of the domestic sewage treatment system, on the basis of the embodiment 1, the support 5 is arranged in each of the anoxic tank 11 and the aerobic tank 12, and the vertical pipe 41 is detachably arranged on the support 5; the vertical pipe 41 is connected with the bracket 5 through a hook, or the vertical pipe 41 is connected with the bracket 5 through a mortise and tenon joint. The connecting vertical pipe 41 is connected with the bracket 5 in a detachable mode, so that the assembly, disassembly and assembly are facilitated. The tenon-and-mortise connection mode preferably adopts a connection mode of a point structure in the prior art.
Example 3
In order to improve the efficiency of sewage treatment, on the basis of embodiment 1 or 2, the fungus-algae packing device 4 further comprises a limiting device for limiting the sliding of the packing box 42, wherein the limiting device comprises a hole 43 which is arranged on the vertical pipe 41 and is positioned below the packing box 42, and a bolt 44 which can be inserted into the hole 43. Fix the stuffing box on the standpipe through stop device, prevent that the stuffing box from removing, influence sewage treatment efficiency.
Further, a plurality of circular holes are uniformly distributed on the stuffing box 42, the diameter of each circular hole is 1mm-2mm (not shown in the figure), activated sludge can float if the holes are too large, and circular holes can be easily blocked if the holes are too small, so that the sewage treatment efficiency is influenced. The stuffing box 42 includes lid 421 and box body 422, is provided with hasp 423 between lid 421 and the box body 422, and lid 421 and box body 422 utilize hasp 423 to fix, and the inside fungus algae filler is conveniently changed to the stuffing box 42 that can open, and hasp 423 can make the lock of buckling between lid 421 and the box body 422, prevents that lid 421 from being opened under the impact of rivers.
Further, a fine grid 22 is arranged at the water inlet of the sewage treatment pipeline 2, preliminary purification is achieved before sewage flows into the anoxic tank 11, and part of fixed pollutants in the sewage is filtered. In order to further improve the operating efficiency of the MBR membrane tank 13, it is preferable that the MBR membrane tank 13 includes an MBR membrane module 131 and an inclined plate precipitation device 132, and the inclined plate precipitation device 132 is disposed between the flow paths of the aerobic tank 12 and the MBR membrane module 131, so that the sewage can flow into the MBR membrane module 131 after passing through the aerobic tank 12 and the inclined plate precipitation device 132 in sequence. The inclined plate sedimentation device 132 is composed of a plurality of inclined plate-shaped structures, and spaces through which sewage can pass are provided between the plates. Preferably, the inclined plate sedimentation device 132 is arranged at the bottom of the MBR membrane tank 13; when the sewage that good oxygen pond 12 flows out passes through inclined plate precipitation device 132, can slow down the velocity of flow of sewage, and when mud in the sewage passes through inclined plate precipitation device 132, because the effect of gravity can be along inclined plate precipitation device 132 landing to MBR membrane cisterna bottom, reach the effect that prevents mud and get into MBR membrane module 131, inclined plate precipitation device 132 can the flocculation and precipitation activated sludge, further reduce the jam to MBR membrane module 131, improve sewage treatment's work efficiency and MBR membrane module 131's life. Furthermore, a sludge treatment assembly is arranged at the filtering front end of the inclined plate sedimentation device 132, the sludge treatment assembly comprises a sludge pipeline 7 and a sludge pump 71 arranged on the sludge pipeline, and one end of the sludge pipeline 7 is communicated with the MBR membrane tank 13 and is positioned between the flow paths of the aerobic tank 12 and the inclined plate sedimentation device 132. The sludge treatment component is used for pumping out the sludge precipitated by the inclined plate precipitation device 132, and better preventing the sludge from blocking the sewage treatment flow path.
Example 4
To extend the life of the MBR membrane module 131; on the basis of any of the above embodiments, the water outlet pipeline 3 is provided with a second water suction pump 31; the domestic sewage treatment system also comprises a backwashing component, the backwashing component comprises a backwashing pipeline 32 connected with the water outlet pipeline 3 in parallel and a backwashing pump 33 arranged on the backwashing pipeline 32, one end of the backwashing pipeline 32 is communicated with the middle water tank 15, and the other end is communicated with the MBR membrane tank 13. The MBR membrane module 131 is backwashed by using water in the reclaimed water tank 15, so that the flushing is convenient, and the service life of the MBR membrane module 131 can be further prolonged.
Further, the anoxic tank 11, the aerobic tank 12 and the MBR membrane tank 13 are arranged in the equipment shell 6, a baffle 61 is arranged in the equipment shell, and the equipment shell 6 and the baffle 61 form a sewage treatment pipeline 2. The baffle 61 can optimize water flow and water power, reduce water flow impact, enable sewage to flow into subsequent structures more gently, and enable the structure of the sewage treatment system to be more compact and convenient to transport.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.
Claims (10)
1. The utility model provides a filler intensive domestic sewage treatment system, includes oxygen deficiency pond, good oxygen pond, MBR membrane cisterna and communicates in proper order the oxygen deficiency pond good oxygen pond with the sewage treatment pipeline of MBR membrane cisterna, its characterized in that: aeration devices are arranged in the aerobic tank and the MBR membrane tank;
a water inlet of the sewage treatment pipeline is communicated with one end of the water inlet pipeline; the other end of the water inlet pipeline is communicated with the regulating tank, and a first water suction pump is arranged on the water inlet pipeline; one end of a water outlet pipeline is communicated with the MBR membrane tank, the other end of the water outlet pipeline is communicated with the reclaimed water tank, and a second water suction pump is arranged on the water outlet pipeline;
the aerobic tank and the anoxic tank are internally provided with a bacteria and algae filling device, the bacteria and algae filling device comprises a vertical pipe and a filling box which is sleeved on the vertical pipe and is used for containing bacteria and algae filling, and holes are formed in the surface of the filling box.
2. The domestic sewage treatment system of claim 1, wherein: the oxygen-poor pool and the aerobic pool are both provided with a bracket, and the vertical pipe is detachably arranged on the bracket; the vertical pipe is connected with the bracket through a hook, or the vertical pipe is connected with the bracket through a mortise and tenon joint mode.
3. The domestic sewage treatment system according to claim 1 or 2, wherein: the fungus algae packing device further comprises a limiting device for limiting the stuffing box to slide, and the limiting device comprises a hole which is arranged on the vertical pipe and is positioned below the stuffing box, and a bolt which can be inserted into the hole.
4. The domestic sewage treatment system of claim 3, wherein: a plurality of circular holes are uniformly distributed on the stuffing box, and the diameter of each hole is 1-2 mm.
5. The domestic sewage treatment system of claim 4, wherein: the stuffing box comprises a box cover and a box body, and the box cover and the box body are fixed through a lock catch.
6. The domestic sewage treatment system of claim 1, wherein: the water inlet of the sewage treatment pipeline is provided with a fine grid.
7. The domestic sewage treatment system of claim 1, wherein: the MBR membrane tank comprises an MBR membrane module and an inclined plate precipitation device, wherein the inclined plate precipitation device is arranged between the flow paths of the aerobic tank and the MBR membrane module, so that sewage can sequentially pass through the aerobic tank and the inclined plate precipitation device and then flow into the MBR membrane module.
8. The domestic sewage treatment system of claim 7, wherein: the sludge treatment device comprises an MBR membrane tank, and is characterized by further comprising a sludge treatment assembly, wherein the sludge treatment assembly comprises a sludge pipeline and a sludge pump arranged on the sludge pipeline, one end of the sludge pipeline is communicated with the MBR membrane tank, and the communicated end is positioned between the aerobic tank and a flow path of the inclined plate sedimentation device.
9. The domestic sewage treatment system of claim 7, wherein: the domestic sewage treatment system further comprises a backwashing component, the backwashing component comprises a backwashing pipeline connected with the water outlet pipeline in parallel and a backwashing pump arranged on the backwashing pipeline, one end of the backwashing pipeline is communicated with the reclaimed water tank, and the other end of the backwashing pipeline is communicated with the MBR membrane tank.
10. The domestic sewage treatment system of claim 1, wherein: the anoxic tank, the aerobic tank and the MBR membrane tank are arranged in an equipment shell, a baffle is arranged in the equipment shell, and the equipment shell and the baffle form the sewage treatment pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022568428.XU CN214654276U (en) | 2020-11-09 | 2020-11-09 | A filler-enhanced domestic sewage treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022568428.XU CN214654276U (en) | 2020-11-09 | 2020-11-09 | A filler-enhanced domestic sewage treatment system |
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| CN214654276U true CN214654276U (en) | 2021-11-09 |
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| CN202022568428.XU Expired - Fee Related CN214654276U (en) | 2020-11-09 | 2020-11-09 | A filler-enhanced domestic sewage treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784431A (en) * | 2022-12-07 | 2023-03-14 | 哈尔滨工业大学 | Membrane for supplying CO for maintaining carbon-oxygen balance of optical biological membrane system 2 Sewage treatment method and device |
-
2020
- 2020-11-09 CN CN202022568428.XU patent/CN214654276U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784431A (en) * | 2022-12-07 | 2023-03-14 | 哈尔滨工业大学 | Membrane for supplying CO for maintaining carbon-oxygen balance of optical biological membrane system 2 Sewage treatment method and device |
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