CN212387919U - Container with stepped artificial wetland for treating dispersible domestic sewage - Google Patents
Container with stepped artificial wetland for treating dispersible domestic sewage Download PDFInfo
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- CN212387919U CN212387919U CN202020339972.4U CN202020339972U CN212387919U CN 212387919 U CN212387919 U CN 212387919U CN 202020339972 U CN202020339972 U CN 202020339972U CN 212387919 U CN212387919 U CN 212387919U
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Abstract
The utility model discloses a container with a stepped artificial wetland for treating dispersed domestic sewage, which comprises a container shell and a stepped artificial wetland; a membrane bioreactor and a disinfection box which are separated from each other are arranged inside the shell of the container, a sewage inlet and a clean water outlet are formed in the side wall of the shell, the sewage inlet is communicated with the membrane bioreactor, and the clean water outlet is communicated with the disinfection box; the stepped artificial wetland is arranged on the outer wall of the top of the container shell and is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with the membrane bioreactor, and the water outlet pipe is communicated with the sterilizing box. The utility model discloses an at the cascaded constructed wetland of the top outer wall mounting of container casing to communicate cascaded constructed wetland and membrane bioreactor, disinfect box, not only solved the problem that current equipment area is big, the running cost is high and the mobility is poor, but also can further improve the treatment effeciency of dispersibility domestic sewage.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to a take cascaded constructed wetland's container of handling dispersibility domestic sewage.
Background
With the continuous development of economic society, a large amount of sewage is generated in the life and production process of human beings, and if the sewage is directly discharged without certain treatment, serious environmental and water body pollution is caused.
At present, the problem of water pollution is more and more severe, and in the sewage treatment process, distributed sewage treatment not only can be applied to villages and small towns domestic sewage and handle and retrieval and utilization on the spot, also has better treatment effect to some tourist attraction hotel food and beverage, shower waste water.
At present, biological treatment technologies including ecological treatment technologies, biofilm methods and the like are mostly adopted for treating the dispersive sewage, but the treatment technologies still have the defects of large treatment scale, high operation cost, inconvenient management and maintenance and the like.
Therefore, it is urgently needed to design an integrated treatment device to solve the problems of operation cost, floor area, treatment efficiency and the like.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a take cascaded constructed wetland's container of handling dispersibility domestic sewage, this container not only can solve the problem that current equipment area is big, the running cost is high and the mobility is poor, but also can further improve dispersibility domestic sewage's treatment effeciency.
The specific technical scheme is as follows:
a container with a stepped artificial wetland for treating dispersed domestic sewage comprises a container shell and a stepped artificial wetland;
the container comprises a container shell, a membrane bioreactor and a disinfection box which are separated from each other are arranged in the container shell, a sewage inlet and a clean water outlet are formed in the side wall of the container shell, the sewage inlet is communicated with the membrane bioreactor, and the clean water outlet is communicated with the disinfection box;
the stepped artificial wetland is arranged on the outer wall of the top of the container shell and is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with the membrane bioreactor, and the water outlet pipe is communicated with the sterilizing box.
Further, the membrane bioreactor comprises an anoxic reaction chamber and a membrane biological reaction chamber which are communicated in sequence; the bottom of the membrane biological reaction chamber is provided with an aeration device, and a membrane component is arranged above the aeration device;
the anoxic reaction chamber is communicated with the sewage inlet, and the water outlet of the membrane component is communicated with the water inlet pipe of the stepped artificial wetland.
Furthermore, the stepped artificial wetland comprises a plurality of stages of vertical flow artificial wetlands arranged side by side step by step; each level of vertical flow artificial wetland is divided into a water inlet channel and a treatment area by a partition wall, the top of the water inlet channel is provided with a water inlet for the water inlet pipe to extend into, and the bottom of the water inlet channel is provided with a water outlet communicated with the treatment area.
Furthermore, an impermeable layer, a permeable layer, a soil layer and a clear water layer are sequentially arranged in the treatment area from bottom to top; and a water outlet of the water inlet channel is communicated with the permeable layer.
Further, the water permeable layer is filled with water permeable gravel particles; aquatic plants which can be used for sewage purification are planted in the soil layer.
Further, along the advancing direction of water flow, the height of the vertical flow artificial wetland in the stepped artificial wetland is gradually reduced; the stepped artificial wetland is also provided with a water outlet buffer area, the water outlet buffer area is positioned at the downstream of the last stage of vertical flow artificial wetland and is arranged side by side with the last stage of vertical flow artificial wetland, and the water outlet pipe extends into the bottom of the water outlet buffer area.
Further, a water pump connected with a water outlet pipe is arranged in the disinfection box, a medicine adding tank is placed beside the disinfection box, and the medicine adding tank is communicated with the disinfection box through a pipeline.
Furthermore, a central control system, a double door and a ladder stand are installed on the outer side wall of the container shell.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses an at the cascaded constructed wetland of the top outer wall mounting of container casing to communicate cascaded constructed wetland and membrane bioreactor, disinfect box, not only solved the problem that current equipment area is big, the running cost is high and the mobility is poor, but also can further improve the treatment effeciency of dispersibility domestic sewage.
Drawings
Fig. 1 is a schematic view of the internal structure of the container with stepped constructed wetland for treating dispersed domestic sewage according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1, a container with a stepped artificial wetland for treating dispersed domestic sewage mainly comprises: a container shell 1, internal equipment and a stepped artificial wetland 2;
the container shell 1 is made of carbon steel materials, and has sufficient strength and rigidity, certain durability and necessary physical and chemical properties, so that the problem of the manufacturing cost of the container is well solved. Container casing 1 is the cuboid, installs the central controller who is used for realizing automated control on the casing outer wall at long limit place, is equipped with two divisions of doors on the casing outer wall at minor face place, is equipped with the cat ladder on the casing outer wall at the minor face place that corresponds relatively.
A membrane bioreactor 3 and a disinfection box 4 which are separated from each other are arranged in the container shell 1; a sewage inlet is arranged on the side wall of the container shell corresponding to the membrane bioreactor 3 and is communicated with the membrane bioreactor 3 through a pipeline; the side wall of the container shell corresponding to the disinfection box 4 is provided with a clean water outlet which is communicated with the disinfection box 4 through a pipeline. Valves for controlling the water flow speed are arranged on the sewage inlet and the clear water outlet (which are arranged on the rear side wall of the container shown in figure 1 and are omitted).
The membrane bioreactor 3 consists of an anoxic reaction chamber 31 and a membrane biological reaction chamber 32. The anoxic reaction chamber 31 mainly performs denitrification, and can decompose refractory macromolecular substances into relatively easily degradable small biological molecules; meanwhile, BOD and COD can be reduced to a certain degree. The anoxic reaction chamber 31 and the membrane biological reaction chamber 32 are separated by a partition wall 33, and the upper part of the partition wall 33 is provided with a water through hole 34. The interior of the anoxic reaction chamber 31 is provided with a water pump 35, the water pump 35 is communicated with the water through hole 34 through a pipeline, and sewage in the anoxic reaction chamber 31 is pumped into the membrane biological reaction chamber 32. The bottom of the membrane biological reaction chamber 32 is provided with an aeration device 36, and an MBR membrane module 37 is arranged above the aeration device 36; the MBR membrane module 37 is communicated with the stepped constructed wetland 2 through a pipeline, and a water pump 38 for pumping water is also arranged on the pipeline. The MBR membrane module 37 is made of PVDF hollow fiber membrane, has the advantages of high mechanical strength and toughness, high wear resistance, high impact resistance and the like, does not need a support material, has long service life, and can perform high-quality treatment on sewage. The aeration device 36 is composed of an aeration pipe and a blower; in order to reduce the noise during the operation of the aeration device 36, a low frequency rotary blower may be used, and the air of the blower is blown into the gaps between the frames of the MBR membrane modules through the aeration pipes, so as to effectively prevent the membranes from being blocked.
The stepped artificial wetland 2 is arranged on the outer wall of the top of the container shell 1 and is provided with a water inlet pipe 24 and a water outlet pipe 25, and the water inlet pipe 24 is communicated with an MBR (membrane bioreactor) membrane module 37 of the membrane bioreactor 3; the water outlet pipe 24 is communicated with the disinfection box 4. The stepped artificial wetland 2 belongs to a composite vertical up-flow subsurface artificial wetland, and consists of three levels of vertical-flow artificial wetlands arranged side by side, namely a first-level vertical-flow artificial wetland 21, a second-level vertical-flow artificial wetland 22 and a third-level vertical-flow artificial wetland 23.
Taking the first stage of vertical flow artificial wetland 21 as an example, each stage of vertical flow artificial wetland is divided into a water inlet channel 211 and a treatment area 212 by a partition plate 213, the top of the water inlet channel 211 is provided with a water inlet 213 into which the water inlet pipe 24 extends, and the bottom is provided with a water outlet 214 communicated with the treatment area 212. An impermeable layer 215, a permeable layer 216, a soil layer 217 and a clear water layer 218 are sequentially arranged in the treatment area 212 from bottom to top; the water outlet 214 of the water inlet channel 211 is communicated with the water permeable layer 216. The impermeable layer 215 can be made of common clay as an impermeable material; the permeable layer 216 uses gravels and gravels as a substrate, the soil layer 217 is planted with aquatic plants for sewage purification, different plants have different growth conditions and different influences on sewage treatment efficiency, and some aquatic plants with developed plant root systems, such as reed and aquatic canna, need to be adopted, so that the permeable layer has good sewage treatment capability and ornamental value.
The heights of the impermeable layer 215, the permeable layer 216, the soil layer 217 and the clear water layer 218 are adjusted, so that the heights of the vertical flow artificial wetlands in different levels are different; in order to ensure that water automatically flows into the next stage along the previous stage, the height of the vertical flow constructed wetland 21 is gradually reduced. In each stage of vertical flow artificial wetland, sewage firstly enters from top to bottom through the water inlet channel 211, then enters the treatment area 212 through the water outlet 214 and flows from bottom to top, and when the sewage flows over the soil layer 217 and enters the clear water layer 218 to be gathered, the sewage flows over the side wall of the vertical flow artificial wetland and flows into the vertical flow artificial wetland of the next stage.
The stepped artificial wetland is also provided with a water outlet buffer area 26, the water outlet buffer area 26 is arranged at the downstream of the third-stage vertical flow artificial wetland 23 and is arranged side by side with the third-stage vertical flow artificial wetland 23, and a water outlet pipe extends into the bottom of the water outlet buffer area 26.
A water pump connected with a water outlet pipe 24 is arranged in the disinfection box 4, and a medicine adding tank communicated with the disinfection box 4 through a pipeline is arranged beside the disinfection box 4, so that medicine can be automatically added, and the disinfection capacity of the disinfection tank is improved. The disinfection box 4 is communicated with a clean water outlet through a pipeline and discharges the treated effluent.
The working operation flow of the container is as follows:
(1) the dispersivity domestic sewage is introduced into an anoxic reaction chamber 31 in the container shell through a sewage inlet, is treated by the anoxic reaction chamber 31, is pumped into a membrane biological reaction chamber 32 through a water pump 35 and a water through hole 34, is subjected to membrane filtration treatment by a membrane component 37, and enters the stepped artificial wetland 2 through a water inlet pipe 24;
(2) in the stepped artificial wetland 2, sewage enters the water inlet channel 211 of the first-stage vertical flow artificial wetland 21 from top to bottom and flows out of the water outlet 214 to enter the treatment area 212; then sequentially passes through the permeable layer 216 and the soil layer 217 from bottom to top to be treated by the artificial wetland, and is gathered in the clear water layer 218, when water overflows the side wall of the first-stage vertical flow artificial wetland 21, the water flows into the water inlet channel of the second-stage vertical flow artificial wetland 22 along the side wall, the flow trajectory of the first-stage vertical flow artificial wetland is repeated, the water enters the third-stage vertical flow artificial wetland 23, and the water flows into the water outlet buffer zone 26 along the side wall of the third-stage vertical flow artificial wetland 23;
(3) the water in the water outlet buffer area 26 is pumped into the disinfection box for disinfection through the extraction of a water pump in the disinfection box, and flows out of the container through a clean water outlet after disinfection.
Claims (8)
1. The container with the stepped artificial wetland for treating the dispersed domestic sewage is characterized by comprising a container shell and the stepped artificial wetland;
the container comprises a container shell, a membrane bioreactor and a disinfection box which are separated from each other are arranged in the container shell, a sewage inlet and a clean water outlet are formed in the side wall of the container shell, the sewage inlet is communicated with the membrane bioreactor, and the clean water outlet is communicated with the disinfection box;
the stepped artificial wetland is arranged on the outer wall of the top of the container shell and is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with the membrane bioreactor, and the water outlet pipe is communicated with the sterilizing box.
2. The container for treating decentralized domestic sewage with stepped artificial wetland according to claim 1, wherein said membrane bioreactor comprises an anoxic reaction chamber and a membrane bioreactor which are communicated in sequence; the bottom of the membrane biological reaction chamber is provided with an aeration device, and a membrane component is arranged above the aeration device;
the anoxic reaction chamber is communicated with the sewage inlet, and the water outlet of the membrane component is communicated with the water inlet pipe of the stepped artificial wetland.
3. The container with the stepped artificial wetland for treating dispersed domestic sewage according to claim 1, wherein the stepped artificial wetland comprises a plurality of stages of vertical-flow artificial wetlands arranged side by side in a stepwise manner; each level of vertical flow artificial wetland is divided into a water inlet channel and a treatment area by a partition wall, the top of the water inlet channel is provided with a water inlet for the water inlet pipe to extend into, and the bottom of the water inlet channel is provided with a water outlet communicated with the treatment area.
4. The container for treating decentralized domestic sewage with stepped artificial wetland according to claim 3, wherein an impermeable layer, a permeable layer, a soil layer and a clear water layer are arranged inside the treatment zone from bottom to top in sequence; and a water outlet of the water inlet channel is communicated with the permeable layer.
5. The container for treating decentralized domestic sewage according to the stepped artificial wetland of claim 4, wherein said water-permeable layer is filled with water-permeable gravel particles; aquatic plants which can be used for sewage purification are planted in the soil layer.
6. The container with the stepped artificial wetland for treating dispersed domestic sewage according to claim 3, wherein the height of the vertical flow artificial wetland in the stepped artificial wetland is gradually reduced along the running direction of the water flow; the stepped artificial wetland is also provided with a water outlet buffer area, the water outlet buffer area is positioned at the downstream of the last stage of vertical flow artificial wetland and is arranged side by side with the last stage of vertical flow artificial wetland, and the water outlet pipe extends into the bottom of the water outlet buffer area.
7. The container with stepped artificial wetland for treating decentralized domestic sewage according to claim 1, wherein a water pump connected with a water outlet pipe is arranged in the disinfection tank, a chemical feeding tank is arranged beside the disinfection tank, and the chemical feeding tank is communicated with the disinfection tank through a pipeline.
8. The container for treating decentralized domestic sewage according to claim 1, characterized in that the outer side wall of the container housing is provided with a central control system, a double door and a ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020339972.4U CN212387919U (en) | 2020-03-18 | 2020-03-18 | Container with stepped artificial wetland for treating dispersible domestic sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020339972.4U CN212387919U (en) | 2020-03-18 | 2020-03-18 | Container with stepped artificial wetland for treating dispersible domestic sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212387919U true CN212387919U (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020339972.4U Active CN212387919U (en) | 2020-03-18 | 2020-03-18 | Container with stepped artificial wetland for treating dispersible domestic sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212387919U (en) |
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2020
- 2020-03-18 CN CN202020339972.4U patent/CN212387919U/en active Active
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