CN216863909U - Multistage series connection underwater forest ecological water treatment system - Google Patents
Multistage series connection underwater forest ecological water treatment system Download PDFInfo
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- CN216863909U CN216863909U CN202122416061.4U CN202122416061U CN216863909U CN 216863909 U CN216863909 U CN 216863909U CN 202122416061 U CN202122416061 U CN 202122416061U CN 216863909 U CN216863909 U CN 216863909U
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Abstract
The utility model belongs to the technical field of sewage treatment, and particularly relates to a multistage series connection underwater forest ecological water treatment system which comprises multistage series connection composite water treatment tanks, wherein each composite water treatment tank comprises a silt sedimentation tank, an underwater forest ecological tank and a biochemical sewage treatment tank, the silt sedimentation tank, the underwater forest ecological tank and the biochemical sewage treatment tank are arranged on one side in the water flow direction, each underwater forest ecological tank comprises a particle packing layer, a submerged plant layer, a braid type fiber packing layer and an emergent water plant layer, the particle packing layer is internally paved with a multipurpose perforated pipe for back flushing the particle packing, the covering from bottom to top is formed by adopting a biomembrane method and an aquatic plant sewage treatment method, then the biochemical sewage treatment system is adopted for strengthening treatment, and the discharged water is discharged into the next stage in series connection for repeated treatment, so that the multistage series connection underwater forest ecological water treatment system has the characteristics of reasonable arrangement and high treatment efficiency.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a multistage series-connection underwater forest ecological water treatment system.
Background
Urban life and industrial production can generate a large amount of sewage, and under general conditions, actual sewage often contains various pollutants, and the expected effect cannot be achieved by only adopting a single treatment method. In order to obtain a more ideal treatment effect at a lower treatment cost, a plurality of treatment technical methods are reasonably combined according to a certain primary and secondary relationship and a front-back sequence to form a complete purification treatment system according to various factors such as the water quality, the water quantity, the treatment degree, the possibility of recovering useful substances, capital site conditions and the like of sewage.
For example, patent document No. 2016101408996 provides a physicochemical-biochemical-plant combined water treatment device, which comprises a water treatment tank, wherein the water treatment tank comprises a water inlet section, a sewage treatment section and a water outlet section which are sequentially arranged along the flowing direction of sewage, the sewage treatment section comprises an electrolysis section and a biochemical plant treatment section which are sequentially arranged along the flowing direction of sewage, and the biochemical plant treatment section comprises an aeration layer, a microbial filler layer and an emergent aquatic plant bed layer which are sequentially arranged from bottom to top. The technical scheme that this patent literature provided mainly relies on biochemical plant to handle, and when the external environment is bad, need set up greenhouse, light, this has just improved sewage treatment cost, and it is thus obvious that a low cost and stable sewage treatment system of purifying effect need be researched and developed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multistage series connection underwater forest ecological water treatment system, which aims to solve the problems of high energy consumption and unstable water purification efficiency of a sewage treatment system in the prior art.
The utility model discloses a multistage series connection underwater forest ecological water treatment system, which adopts the following technical scheme:
the utility model provides a multistage series connection is ecological water processing system of forest under water, includes the compound water treatment pond that multistage series connection set up, compound water treatment pond includes along silt sedimentation tank, the ecological pond of forest, biochemical sewage treatment pond under water that rivers direction one side set up, the ecological pond of forest includes by lower supreme granule packing layer, submerged plant layer, braid formula fiber packing layer, emergent aquatic plant layer that sets up, granule packing layer middle berth is equipped with and is used for carrying out the multipurpose perforated pipe of back flush to the granule packing.
As an improvement, the particle packing layer is one or more of ceramsite, coke, quartz sand, activated carbon and expanded aluminosilicate.
As an improvement, two adjacent composite water treatment tanks are in a step shape which is arranged downwards.
As an improvement, the biochemical sewage treatment tank comprises a sedimentation tank and an aeration tank which are arranged adjacently, and a sludge discharge channel for discharging the precipitated sludge into the aeration tank is arranged at the bottom of the sedimentation tank.
As an improvement, the bottom of the sedimentation tank is an inclined plane which is inclined downwards, and the sludge discharge channel is arranged on the side wall of the sedimentation tank close to the lowest position of the bottom of the sedimentation tank.
As an improvement, a water drop tongue is arranged at the water outlet of the biochemical sewage treatment tank. And a water outlet weir groove for discharging the supernatant into the next-stage composite water treatment tank through the drop water tongue is arranged at the upper part of the sedimentation tank.
As an improvement, a water outlet pipe used for conveying sewage to the aeration tank is paved in the particle packing layer.
As an improvement, a sunlight plate is paved on the surface of the underwater forest ecological pool.
As an improvement, an artificial floating island is arranged on the surface of the underwater forest ecological pool.
The utility model has the beneficial effects that:
the utility model provides a multistage series connection underwater forest ecological water treatment system, which comprises multistage series connection composite water treatment tanks, wherein each composite water treatment tank comprises a silt sedimentation tank, an underwater forest ecological tank and a biochemical sewage treatment tank which are arranged along one side of a water flow direction, each underwater forest ecological tank comprises a particle packing layer, a submerged plant layer, a braid-type fiber packing layer and an emergent plant layer which are arranged from bottom to top, multipurpose perforated pipes for back flushing the particle packing are paved in the particle packing layers, the covering from bottom to top is formed by adopting a biomembrane method and an aquatic plant sewage treatment method, then the biochemical sewage treatment system is adopted for strengthening treatment, and the discharged water is discharged into the next stage in series connection for repeated treatment, compared with the prior art, the system has a multi-stage series system, and can set the sewage treatment quality of each stage according to the requirement; the underwater forest ecological pool forms an underwater microorganism self-purification circulating system, and a natural ecological water treatment system integrating functions and landscape can be realized; the multi-purpose perforated pipe regularly carries out back flush on the granular filler, and is favorable for improving the treatment efficiency of the granular filler stratification sewage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a summer setting of a composite water treatment tank of a multistage series underwater forest ecological water treatment system of the present invention;
FIG. 2 is a schematic diagram of a winter setting of a composite water treatment tank of a multi-stage series underwater forest ecological water treatment system of the present invention;
FIG. 3 is a schematic view of a multistage series-connected underwater forest ecological water treatment system of the present invention;
FIG. 4 is a schematic view of pipeline laying of a multistage series underwater forest ecological water treatment system of the present invention;
reference numerals are as follows:
1. silt sedimentation tank, 2, the ecological pond of forest under water, 21, the granule packing layer, 22, the submerged plant layer, 23, braid formula fibre packing layer, 24, the very water plant layer, 25, multipurpose perforated pipe, 26, the outlet pipe, 3, the sedimentation tank, 31, mud discharge channel, 32, go out the water weir groove, 4, the aeration tank, 41, tubular aerator, 42, the vapour stripping pipe, 43, first air pipe, 44, the second air pipe, 5, artifical chinampa, 6, drop tongue, 7, the inlet tube, 8, guidance tape.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms than those herein described and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the utility model and, therefore, the utility model is not to be limited to the embodiments set forth herein.
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 an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
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 utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
An embodiment of the multistage series connection underwater forest ecological water treatment system of the utility model is shown in fig. 1 to 3, and comprises multistage series connection composite water treatment tanks, wherein each composite water treatment tank comprises a sediment sedimentation tank 31, an underwater forest ecological tank 2 and a biochemical sewage treatment tank, the sediment sedimentation tank is arranged along one side of a water flow direction, the underwater forest ecological tank 2 comprises a particle packing layer 21, a submerged plant layer 22, a braid type fiber packing layer 23 and an emergent aquatic plant layer 24, and multipurpose perforated pipes 25 for backwashing the particle packing are paved in the particle packing layer 21. The multipurpose perforated pipe 25 is used for scouring the surface of the particle filler by using air with higher air flow or water power, so that the filter layer is prevented from being blocked, and the treatment efficiency of the filter layer is improved; the braid-type fiber filler can be used for increasing the area of a biological membrane and enhancing the sewage treatment capacity of a system, and is arranged by hanging from the water surface to the water bottom; the submerged plants and the emergent plants are preferably selected from four-season plants, and before entering a sediment sedimentation tank, sewage (COD is less than 100 mg/L) or sewage firstly passes through a coarse and fine grid to filter most suspended matters; then, the dissolved oxygen in the sewage is improved while the suspended matters are removed by overpressure dissolved air flotation.
In this embodiment, the granular packing layer 21 is one or more selected from ceramsite, coke, quartz sand, activated carbon, and expanded aluminosilicate, and the root system of the submerged plant is fixed by the granular packing. The biological film is attached to the surface of the particle filler for biochemical treatment, and the water inlet suspended matters are intercepted and filtered.
In order to improve the ornamental value of the underwater forest ecological pool 2, an artificial floating island 5 with a specific shape is arranged in the underwater forest ecological pool 2, and aquatic animals such as fish and the like are cultured in the underwater forest ecological pool 2. The silt sedimentation tank 31 and the biochemical sewage treatment tank are provided with walkway plates, so that the underwater forest ecological tank 2 can be viewed in a short distance.
Two adjacent composite water treatment tanks are in a step shape arranged downwards, and are transferred to the next stage by gravity without arranging a water pump, so that the device has the advantages of energy conservation and environmental protection.
The biochemical sewage treatment tank comprises a sedimentation tank 3 and an aeration tank 4 which are adjacently arranged, the bottom of the sedimentation tank 3 is provided with a sludge discharge channel 31 for discharging the precipitated sludge into the aeration tank 4, the sludge in the sedimentation tank settles and slides to the biochemical tank, and the biochemical tank relies on activated sludge to strengthen nitrogen and phosphorus removal. When the device is applied, when the external environment temperature and the illumination are insufficient, the metabolism of the plants is slow, especially the species of emergent aquatic plants in winter are deficient, the survival rate is low, and the device can be used with the help of the biochemical sewage treatment tank to enhance the sewage treatment capacity.
The aeration tank 4 is internally provided with a tubular aerator and a first air pipe 43, the first air pipe 43 is connected with a fan, and gas is conveyed to the tubular aerator 41 for strengthening aeration and improving dissolved oxygen in water; still be equipped with the stripping pipe in the aeration tank 4, the stripping pipe is connected with second air pipe 44, and second air pipe 44 is connected with the fan, to the stripping pipe conveying gas for strengthen the aeration, improve aquatic dissolved oxygen.
As an improvement, the bottom of the sedimentation tank 3 is a slope inclined downwards, and the sludge discharge channel 31 is arranged on the side wall of the sedimentation tank 3 near the lowest position of the bottom of the tank. In the embodiment, the underwater forest ecological tank, the sedimentation tank and the aeration tank are sequentially arranged.
The water outlet of the biochemical sewage treatment tank is provided with the water dropping nappe 6, so that a nappe waterfall landscape can be formed, the ornamental value is improved, and the effluent water is higher in dissolved oxygen and less prone to stinking after being subjected to water dropping; specifically, the upper part of the sedimentation tank 3 is provided with a water outlet weir groove 32 for discharging the supernatant into the next-stage composite water treatment tank through a water drop tongue 6.
A water outlet pipe 26 for conveying sewage into the aeration tank 4 is paved in the particle packing layer 21, and the height of the water outlet pipe 26 is slightly higher than that of the multipurpose perforated pipe 25.
The surface of the underwater forest ecological pool 2 is paved with a sunlight plate, in the embodiment, the sunlight plate is a double-layer sunlight plate, is used for enhancing illumination and can also be used for preventing freezing in winter.
The operation mode of the multistage series connection underwater forest ecological water treatment system provided by the utility model comprises the following steps: (1) pretreating sewage to remove impurities in the water, carrying out overpressure dissolved air floatation and settling silt; (2) sending the pretreated effluent into an underwater forest system, and performing multi-dimensional purification treatment on sewage through particle fillers at the bottom of a pool of the underwater forest system, underwater plants rooted in a particle filler layer, a braid-type fiber filler layer arranged in the pool and emergent aquatic plant root systems arranged on the surface of the pool; (3) regularly carrying out air or hydraulic backwashing on the particle filler to prevent the particle filler from being blocked; (4) performing activated sludge aeration and precipitation treatment on the effluent treated in the step (2); (5) and (4) repeating the steps (1) to (4) on the settled supernatant until the sewage is treated to the required quality standard, and then carrying out ultraviolet disinfection on the effluent, and discharging the water body or using the effluent as reclaimed water for irrigating green lands or washing vehicles.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. The utility model provides a multistage series connection ecological water treatment system of forest under water, a serial communication port, including the compound water treatment tank that multistage series connection set up, compound water treatment tank includes along silt sedimentation tank, the ecological pond of forest, biochemical sewage treatment tank under water that rivers direction one side set up, the ecological pond of forest includes by lower supreme particle packing layer, heavy water plant layer, braid formula fibre packing layer, emergent aquatic plant layer that sets up, particle packing layer middle berth is equipped with and is used for carrying out the multipurpose perforated pipe of back flush to the particle packing, biochemical sewage treatment tank includes sedimentation tank, the aeration tank of adjacent setting, the bottom of sedimentation tank is equipped with and is arranged in going into the aeration tank mud discharge passageway with the mud that deposits.
2. The multistage series connection underwater forest ecological water treatment system as claimed in claim 1, wherein two adjacent composite water treatment tanks are in a downward-arranged ladder shape.
3. The multistage series connection underwater forest ecological water treatment system as claimed in claim 1, wherein the bottom of the sedimentation tank is a downward sloping slope, and the sludge discharge channel is disposed on the side wall of the sedimentation tank near the lowest position of the bottom of the tank.
4. The multistage series connection underwater forest ecological water treatment system as claimed in claim 1, wherein a water outlet of the biochemical sewage treatment tank is provided with a water drop tongue,
and a water outlet weir groove for discharging the supernatant into the next-stage composite water treatment tank through the drop water tongue is arranged at the upper part of the sedimentation tank.
5. The multistage series connection underwater forest ecological water treatment system as claimed in claim 1, wherein a water outlet pipe for conveying sewage into the aeration tank is paved in the particle packing layer.
6. The multistage series connection underwater forest ecological water treatment system as claimed in claim 1, wherein a sunlight panel is laid on the surface of the underwater forest ecological pool.
7. The multistage series connection underwater forest ecological water treatment system as claimed in claim 1, wherein the surface of the underwater forest ecological pool is provided with artificial floating islands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122416061.4U CN216863909U (en) | 2021-10-08 | 2021-10-08 | Multistage series connection underwater forest ecological water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122416061.4U CN216863909U (en) | 2021-10-08 | 2021-10-08 | Multistage series connection underwater forest ecological water treatment system |
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| CN216863909U true CN216863909U (en) | 2022-07-01 |
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| CN202122416061.4U Active CN216863909U (en) | 2021-10-08 | 2021-10-08 | Multistage series connection underwater forest ecological water treatment system |
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- 2021-10-08 CN CN202122416061.4U patent/CN216863909U/en active Active
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Address after: 456500 U001, Building b-1, National 863 Science and Technology Industrial Park, West Section of Hongqiqu Avenue, Linzhou City, Anyang City, Henan Province Patentee after: Guowei Environmental Engineering Co.,Ltd. Address before: 451162 office building at the southeast corner of Hangxing road and Changkong Road, hanghanggang District, Xinzheng City, Zhengzhou City, Henan Province Patentee before: BFUTURE METAL Group Ltd. |
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