WO2020220670A1 - 一种处理化粪池污水的人工生态湿地系统 - Google Patents

一种处理化粪池污水的人工生态湿地系统 Download PDF

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Publication number
WO2020220670A1
WO2020220670A1 PCT/CN2019/122258 CN2019122258W WO2020220670A1 WO 2020220670 A1 WO2020220670 A1 WO 2020220670A1 CN 2019122258 W CN2019122258 W CN 2019122258W WO 2020220670 A1 WO2020220670 A1 WO 2020220670A1
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tank
sewage
wetland
grid filter
pool
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PCT/CN2019/122258
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English (en)
French (fr)
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关振鹏
王光娜
曾祥
周韵怡
黄思敏
许贵良
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广东美景环境科技有限公司
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Publication of WO2020220670A1 publication Critical patent/WO2020220670A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/28—Anaerobic digestion processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae

Definitions

  • the invention belongs to the field of domestic sewage treatment, and it designs a method for treating septic tank sewage with microorganisms and wetlands.
  • Septic tank sewage is the domestic sewage produced by flushing excrement in people's daily life. Because the septic tank sewage contains a lot of bacteria and organic matter, its direct discharge will have adverse effects on the environment, and it must be treated before it can be reused. Constructed wetland is artificially constructed and controlled to operate on the ground similar to the marshland. Sewage and sludge are controlled and distributed to the artificially constructed wetland. The sewage and sludge are mainly used in the process of flowing in a certain direction. A technology for the treatment of sewage and sludge with the triple effects of soil, artificial media, plants, and microorganisms in physical, chemical and biological processes. Its mechanism of action includes adsorption, retention, filtration, decomposition, precipitation and so on. As a method of ecological sewage treatment, constructed wetland is based on the natural wetland
  • the mechanism makes the constructed wetland technology have the characteristics of low investment and convenient operation and maintenance. However, due to the characteristics of septic tank sewage, the constructed wetland also has some defects in the use process. On the one hand, the concentration of septic tank sewage is high, and the sewage treatment of constructed wetland The system has a slower processing speed and lower efficiency for the influent water. On the other hand, the constructed wetland has no filter device, which cannot pre-treat the larger garbage in the sewage.
  • the present invention provides a sponge urban ecological grass-planting ditch with good water permeability, can effectively remove urban water, and can efficiently absorb and conserve rainwater resources.
  • the present invention provides an artificial ecological wetland system for treating septic tank sewage, including a grid filter tank, a regulating tank, an anaerobic hydrolysis tank, an aerobic biochemical tank, a sedimentation sludge tank and a constructed wetland tank.
  • the grid filter The pool is connected with an inlet pipe, the constructed wetland pool is connected with a drainage pipe, the grid filter pool is connected with a septic tank three-stage pool through a sewage lift pump, the grid filter pool, the adjustment pool, and the anaerobic hydrolysis tank ,
  • the aerobic biochemical tank, the sedimentation sludge tank and the constructed wetland tank are connected in turn by a conveying pipeline.
  • the grid filter is provided with a grid filter, and the sewage flows into the regulating tank through the grid filter.
  • a filter element is arranged in the adjustment tank, and sewage enters the bottom of the anaerobic hydrolysis tank through the filter element in the adjustment tank.
  • the mesh size of the grid filter in the grid filter pool is 3 mm ⁇ 3 mm, and the height of the grid filter is 10 cm higher than the height of the pool body.
  • the aerobic biochemical tank is connected with an external air pump, the external air pump passes into the aerobic biochemical tank to provide an aerobic environment, the anaerobic hydrolysis tank and the aerobic biochemical tank are both added with biological fillers, and at the same time Artificially domesticated anaerobic bacteria and aerobic bacteria are added, and the anaerobic bacteria and aerobic bacteria are attached to the biological filler to form a biofilm.
  • the sedimentation sludge discharge tank has a funnel shape, and a sludge discharge pipe is provided at the bottom of the sedimentation sludge discharge tank for sludge discharge.
  • the constructed wetland pool is a subsurface wetland, and the constructed wetland is sequentially provided with an impermeable layer, a matrix layer, a humic layer, a water layer and a wetland plant layer from bottom to top.
  • the constructed wetland tank is constructed of concrete, and the material of the grid filter tank, the adjustment tank, the anaerobic hydrolysis tank, the aerobic biochemical tank, and the sedimentation and sludge drainage tank is PVC board.
  • the aerobic biochemical tank is also connected with a water distributing device, and the water distributing device is in a plum shape.
  • the artificial ecological wetland system for treating septic tank sewage provided by the present invention has the advantages of reasonable structure design, high sewage treatment efficiency, clean and environmental protection, etc., due to the unique structure design of the present application, it can treat the waste in the waste water entering the system. Carry out filtration, and secondly, add anaerobic hydrolysis tanks, aerobic biochemical tanks and other microbial treatment structures at the front end of the constructed wetland to treat the sewage from the septic tank first to reduce the load on the wetland treatment stage and achieve better treatment effects. Make the effluent reach the discharge standard.
  • Fig. 1 is a schematic structural diagram of an artificial ecological wetland system for treating septic tank sewage according to the present invention.
  • the present invention provides an artificial ecological wetland system for treating septic tank sewage, including a grid filter tank 1, a regulating tank 2, an anaerobic hydrolysis tank 3, an aerobic biochemical tank 4, and a sedimentation sludge tank 5 and constructed wetland pool 6,
  • the grid filter pool 1 is connected with an inlet pipe 7
  • the constructed wetland pool 6 is connected with a drainage pipe 8
  • the grid filter pool 1 is connected with a septic tank through a sewage lift pump Stage tank (not shown in the figure)
  • the grid filter tank 1, the adjustment tank 2, the anaerobic hydrolysis tank 3, the aerobic biochemical tank 4, the sedimentation sludge tank 5 and the constructed wetland tank 6 pass through the conveying pipe 9
  • the channels are connected in sequence.
  • the grid filter 1 is provided with a grid filter 11, and the sewage is filtered through the grid filter 11 to flow into the regulating pool 2.
  • the regulating pool 2 is provided with a filter element 21.
  • the adjustment tank 2 enters the bottom of the anaerobic hydrolysis tank 3 through the filter element 21.
  • the mesh size of the grille filter screen 11 in the grille filter tank 1 is 3 mm ⁇ 3 mm, and the height of the grille filter screen 11 is 10 cm higher than the height of the tank body.
  • the aerobic biochemical tank 4 is connected with an external air pump 41, and the external air pump 41 is passed into the aerobic biochemical tank 4 for oxygen distribution to provide an aerobic environment.
  • the anaerobic hydrolysis tank 3 is connected to the Biological fillers (suspended biological fillers) are added to the aerobic biochemical tank 4, and artificially domesticated anaerobes and aerobic bacteria are also added. Anaerobes and aerobic bacteria are attached to the
  • a biofilm is formed on the biofiller.
  • the sedimentation sludge discharge tank 5 has a funnel shape, and a sludge discharge pipe 51 is provided at the bottom of the sedimentation sludge discharge tank 5 for sludge discharge.
  • the constructed wetland pool 6 is a subsurface wetland, and the constructed wetland is provided with an impermeable layer, a matrix layer, a humic layer, a water layer and a wetland plant layer from bottom to top.
  • the selected wetland plant species are mainly There are reeds, auntia, cattails, water lilies and so on.
  • the fillers for the underflow constructed wetland are mainly brick slag, ceramsite, fine sand, sand, etc.
  • the selected plants are reeds and water lilies.
  • the constructed wetland tank 6 is constructed of concrete, and the material of the grille filter tank 1, the adjustment tank 2, the anaerobic hydrolysis tank 3, the aerobic biochemical tank 4, and the sedimentation sludge tank 5 is PVC board.
  • the aerobic biochemical tank 4 is also connected to a water distribution device 42 which is in the shape of a plum.
  • the artificial ecological wetland system for treating septic tank sewage provided by the present invention has the advantages of reasonable structure design, high sewage treatment efficiency, clean and environmental protection, etc., due to the unique structure design of the present application, it can treat the waste in the waste water entering the system.

Abstract

一种处理化粪池污水的人工生态湿地系统，包含格栅过滤池（1）、调节池（2）、厌氧水解池（3）、好氧生化池（4）、沉淀排泥池（5）和人工湿地池（6）。格栅过滤池（1）连接有进水管道（7），人工湿地池（6）连接有排水管道（8），格栅过滤池（1）通过污水提升泵连接有化粪池三级池，格栅过滤池（1）、调节池（2）、厌氧水解池（3）、好氧生化池（4）、沉淀排泥池（5）和人工湿地池（6）之间通过输送管道（9）依次连接，格栅过滤池（1）内设置有格栅过滤网（11），污水经过格栅过滤网（11）过滤流入调节池（2），调节池（2）内设置有滤芯（21），污水在调节池（2）中经由滤芯（21）进入厌氧水解池（3）底部。

Description

一种处理化粪池污水的人工生态湿地系统 技术领域
本发明属于生活污水处理领域，其设计了一种微生物与湿地共同作用处理化粪池污水的方法。
背景技术
化粪池污水是人们日常生活中冲理排泄物所产生的生活污水，由于化粪池污水中含有大量的细菌及有机物，直接排放会对环境造成不利影响，须经处理才可二次利用。人工湿地是由人工建造和控制运行的与沼泽地类似的地面，将污水、污泥有控制的投配到经人工建造的湿地上，污水和污泥在沿一定方向流动的过程中，主要利用土壤、人工介质、植物、微生物的物理、化学、生物三重作用，对污水、污泥进行处理的一种技术。其作用机理包括吸附、滞留、过滤、分解、沉淀等。人工湿地作为一种生态治理污水的方法，其基于天然湿地的
机理使得人工湿地技术具有投资小、运行维护方便等特点，但是由于化粪池污水的特性，人工湿地在使用过程中也存在着一些缺陷，一方面化粪池污水浓度较高，人工湿地污水处理系统对进水处理速度较慢，效率较低，另一方面，人工湿地未设过滤装置，不能对污水中较大的垃圾进行预先处理。
发明内容
本发明针对上述现有技术的不足而提供一种渗水性能好、能有效排除城市积水、能高效吸收及涵养雨水资源的海绵城市生态植草沟。
本发明的技术方案如下：
本发明提供的一种处理化粪池污水的人工生态湿地系统，包含格栅过滤池、调节池、厌氧水解池、好氧生化池、沉淀排泥池和人工湿地池，所述格栅过滤池连接有进水管道，所述人工湿地池连接有排水管道，所述格栅过滤池通过污水提升泵连接有化粪池三级池，所述格栅过滤池、调节池、厌氧水 解池、好氧生化池、沉淀排泥池和人工湿地池之间通过输送管道依次连接，所述格栅过滤池内设置有格栅过滤网，污水经过所述格栅过滤网过滤流入所述调节池，所述调节池内设置有滤芯，污水在所述调节池中经由滤芯进入所述厌氧水解池底部。
进一步地，所述格栅过滤池内的格栅过滤网的网眼大小为3mm×3mm，所述格栅过滤网的高度高于池体高度10cm。
进一步地，所述好氧生化池连接有外接气泵，所述外接气泵通入好氧生化池内提供有氧环境，所述厌氧水解池与所述好氧生化池中均加入生物填料，同时还加入有人工驯化的厌氧菌与好氧菌，厌氧菌与好氧菌附着于所述生物填料之上形成生物膜。
进一步地，所述沉淀排泥池呈漏斗状，所述沉淀排泥池底部设置有污泥排放管道用于污泥排放。
进一步地，所述人工湿地池为潜流型湿地，所述人工湿地从下至上依次设置防渗层、基质层、腐质层、水层和湿地植物层。
进一步地，所述人工湿地池由混凝土建造而成，所述格栅过滤池、调节池、厌氧水解池、好氧生化池、沉淀排泥池的材料为pvc板。
进一步地，所述好氧生化池还连接有布水装置，所述布水装置呈丰字状。
本发明的有益效果在于：
本发明所提供的一种处理化粪池污水的人工生态湿地系统，该系统具有结构设计合理、污水处理效率高、清洁环保等优点，由于本申请的独特结构设计可以对进入系统的废水中垃圾进行过滤，其次，在人工湿地前端加上厌氧水解池、好氧生化池等微生物处理结构，对来自化粪池的污水先行处理，以降低湿地处理阶段的负荷，达到更优的处理效果，使出水达到排放标准。
附图说明
图1是本发明一种处理化粪池污水的人工生态湿地系统的结构示意图。
具体实施方式
下面结合附图具体阐明本发明的实施方式，附图仅供参考和说明使用，不构成对本发明专利保护范围的限制。
如图1所示，本发明提供的一种处理化粪池污水的人工生态湿地系统，包含格栅过滤池1、调节池2、厌氧水解池3、好氧生化池4、沉淀排泥池5和人工湿地池6，所述格栅过滤池1连接有进水管道7，所述人工湿地池6连接有排水管道8，所述格栅过滤池1通过污水提升泵连接有化粪池三级池(图中未示出)，所述格栅过滤池1、调节池2、厌氧水解池3、好氧生化池4、沉淀排泥池5和人工湿地池6之间通过输送管9道依次连接，所述格栅过滤池1内设置有格栅过滤网11，污水经过所述格栅过滤网11过滤流入所述调节池2，所述调节池2内设置有滤芯21，污水在所述调节池2中经由滤芯21进入所述厌氧水解池3底部。
本实施例中，所述格栅过滤池1内的格栅过滤网11的网眼大小为3mm×3mm，所述格栅过滤网11的高度高于池体高度10cm。
本实施例中，所述好氧生化池4连接有外接气泵41，所述外接气泵41通入好氧生化池4内进行布氧以提供有氧环境，所述厌氧水解池3与所述好氧生化池4中均加入生物填料(悬挂式生物填料)，同时还加入有人工驯化的厌氧菌与好氧菌，厌氧菌与好氧菌附着于所
述生物填料之上形成生物膜。
本实施例中，所述沉淀排泥池5呈漏斗状，所述沉淀排泥池5底部设置有污泥排放管道51用于污泥排放。
本实施例中，所述人工湿地池6为潜流型湿地，所述人工湿地从下至上依次设置防渗层、基质层、腐质层、水层和湿地植物层，所选用的湿地植物品种主要有芦苇、慈姑、香蒲、睡莲等。潜流型人工湿地填料主要为砖渣、陶粒、细砂、沙土等，选用的植物为芦苇、睡莲。本实施例中，所述人工湿地池6由混凝土建造而成，所述格栅过滤池1、调节池2、厌氧水解池3、好氧生化池4、沉淀排泥池5的材料为pvc板。
本实施例中，所述好氧生化池4还连接有布水装置42，所述布水装置呈丰字状。
本发明所提供的一种处理化粪池污水的人工生态湿地系统，该系统具有结构设计合理、污水处理效率高、清洁环保等优点，由于本申请的独特结构设计可以对进入系统的废水中垃圾进行过滤，其次，在人工湿地前端加上厌氧水解池3、好氧生化池4等微生物处理结构，对来自化粪池的污水先行处理，以降低湿地处理阶段的负荷，达到更优的处理效果，经过试运行，对该装置进出水进行检测，TN、TP、COD去除效果显著，出水符合二级出水标准。。
上述实施例为本发明较佳的实施方式，但本发明的实施方式并不受上述实施例的限制，其他的任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均应为等效的置换方式，都包含在本发明的保护范围之内。

Claims (7)

  1. 一种处理化粪池污水的人工生态湿地系统，其特征在于：包含格栅过滤池、调节池、厌氧水解池、好氧生化池、沉淀排泥池和人工湿地池，所述格栅过滤池连接有进水管道，所述人工湿地池连接有排水管道，所述格栅过滤池通过污水提升泵连接有化粪池三级池，所述格栅过滤池、调节池、厌氧水解池、好氧生化池、沉淀排泥池和人工湿地池之间通过输送管道依次连接，所述格栅过滤池内设置有格栅过滤网，污水经过所述格栅过滤网过滤流入所述调节池，所述调节池内设置有滤芯，污水在所述调节池中经由滤芯进入所述厌氧水解池底部。
  2. 根据权利要求1所述的一种处理化粪池污水的人工生态湿地系统，其特征在于：所述格栅过滤池内的格栅过滤网的网眼大小为3mm×3mm，所述格栅过滤网的高度高于池体高度。
  3. 根据权利要求1所述的一种处理化粪池污水的人工生态湿地系统，其特征在于：所述好氧生化池连接有外接气泵，所述外接气泵通入好氧生化池内提供有氧环境，所述厌氧水解池与所述好氧生化池中均加入生物填料，同时还加入有人工驯化的厌氧菌与好氧菌，厌氧菌与好氧菌附着于所述生物填料之上形成生物膜。
  4. 根据权利要求1所述的一种处理化粪池污水的人工生态湿地系统，其特征在于：所述沉淀排泥池呈漏斗状，所述沉淀排泥池底部设置有污泥排放管道用于污泥排放。
  5. 根据权利要求1所述的一种处理化粪池污水的人工生态湿地系统，其特征在于：所述人工湿地池为潜流型湿地，所述人工湿地从下至上依次设置 防渗层、基质层、腐质层、水层和湿地植物层。
  6. 根据权利要求1所述的一种处理化粪池污水的人工生态湿地系统，其特征在于：所述人工湿地池由混凝土建造而成，所述格栅过滤池、调节池、厌氧水解池、好氧生化池、沉淀排泥池的材料为pvc板。
  7. 根据权利要求1所述的一种处理化粪池污水的人工生态湿地系统，其特征在于：所述好氧生化池还连接有布水装置，所述布水装置呈丰字状。
PCT/CN2019/122258 2019-04-28 2019-11-30 一种处理化粪池污水的人工生态湿地系统 WO2020220670A1 (zh)

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