WO2020000214A1 - 一种污水资源化处理装置 - Google Patents

一种污水资源化处理装置 Download PDF

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Publication number
WO2020000214A1
WO2020000214A1 PCT/CN2018/092946 CN2018092946W WO2020000214A1 WO 2020000214 A1 WO2020000214 A1 WO 2020000214A1 CN 2018092946 W CN2018092946 W CN 2018092946W WO 2020000214 A1 WO2020000214 A1 WO 2020000214A1
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sewage
gas
biological filter
anaerobic tank
pipeline
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French (fr)
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徐渊
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Jiangsu Hongda Environmental Protection Technology Co Ltd
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Jiangsu Hongda Environmental Protection Technology Co Ltd
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Priority to PCT/CN2018/092946 priority Critical patent/WO2020000214A1/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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes

Definitions

  • the invention relates to the field of environmental engineering, in particular to a sewage resource treatment device.
  • biochemical treatment systems anaerobic, anoxic, aerobic
  • ecological treatment systems which are mainly unpowered anaerobic biological treatment, land treatment, and artificial wetland processes.
  • This series of methods has the disadvantages of long residence time, poor winter treatment effect, and poor removal of nitrogen and phosphorus in wastewater.
  • a simple biochemical treatment system has high operating costs and is difficult to adapt to the economic conditions in rural areas.
  • Ecological treatment technology also has poor seasonal treatment effects such as winter. Therefore, inadequate current domestic sewage treatment technology and excessive nitrogen and phosphorus emissions are the direct incentives leading to the increasing eutrophication of rural sewage.
  • the development direction of rural domestic sewage treatment is to strengthen the anaerobic biochemical treatment system, or use a combination of aeration and oxygenation, sewage lifting, and mixed liquid return, etc., while making full use of the ecological treatment system to fully Reduce operating costs and ease maintenance management.
  • the latest research shows that under anaerobic conditions, methane as a carbon source for nitrate denitrification and sulfate reduction is feasible, and a high nitrogen removal rate can be maintained.
  • the purpose of the present invention is to overcome the existing deficiencies, solve the problems of poor rural sewage treatment effect and high running cost, and provide a rural sewage sewage resource treatment device with high efficiency and low consumption, high pollution treatment efficiency and good environmental benefits.
  • a sewage resource treatment device including a biogas digester, a gas storage tank, a gas pressure regulator, a gas circulation pump, a gas pipeline, a grid processing unit, and a buried anaerobic tank , Tower biological filter, submerged artificial wetland, lift pump, flow meter, return pump, sewage pipe, water inlet pipe, aeration device, biological filler, wetland plant, water outlet pipe; between the biogas tank and the gas storage tank, The gas storage tank and the gas pressure regulator, the gas pressure regulator and the gas circulation pump are connected through a gas pipeline; the grid processing unit and the buried anaerobic tank, the buried anaerobic tank and the tower biological The filters, the tower biological filter and the submerged artificial wetlands are connected by sewage pipes; the water inlet pipe is provided at the front of the grid processing unit; the aeration device is provided at the bottom of the buried anaerobic tank And the a
  • the sewage branch pipe is connected to the bottom of the buried anaerobic tank, and the return pump is arranged on the sewage branch pipe.
  • the wetland plants are arranged on the submerged artificial wetland.
  • the water pipe is set at the tail end of the submerged artificial wetland.
  • the buried anaerobic tank is all underground, adopts brick or concrete structure, and is provided with manholes for cleaning.
  • Methane in gas storage tanks is produced from biogas digesters. There are often biogas digesters built in rural areas. A part of the methane produced can be stored in gas tanks and the flow rate is controlled by a gas pressure regulator when in use; the gas aerated by the aeration device is methane. .
  • the buried anaerobic tank uses aeration device, gas circulation pump and gas pipeline to conduct aeration by circulating methane.
  • the hydraulic retention time in the buried anaerobic pond is 20-30 hours.
  • the inoculated sludge comes from the anaerobic activated sludge of the local sewage treatment plant.
  • the grid processing unit is underground, and a fine grid is installed at the water inlet.
  • the fine grid is inclined at an angle of 40-60 degrees, and the gap between the bars is 20-40 mm.
  • the biological filler in the tower biological filter is a microporous biological filter material.
  • the bulk density is 600 ⁇ 1200g / cm3
  • the particle size of the microporous biological filter is 25 ⁇ 40mm.
  • the device is equipped with a biogas digester, a grill pretreatment unit, an underground anaerobic pond, an aerobic biological filter tower, and a submerged artificial wetland, which can efficiently remove organic matter and nitrogen and phosphorus nutrients from rural sewage.
  • the grille processing unit and the buried anaerobic tank are underground, which is beneficial to heat insulation in winter and reduces the impact of temperature.
  • the methane produced in the biogas digester can be denitrified and sulfate reduced under anaerobic conditions. Methane is used as a carbon source to strengthen the anaerobic biochemical treatment, and to maintain a high nitrogen removal rate. 4.
  • the processing efficiency of the buried anaerobic tank and the tower biological filter can be improved at the same time, and the effect is significant. 5.
  • the reflux of the mixed liquid after filtration can effectively improve the removal rate of COD, ammonia nitrogen and total nitrogen, and ensure the quality of the effluent water and the stable operation of the system. 6.
  • the device adopts automatic control, convenient operation and management, and easy maintenance. You only need to arrange a special person to regularly clean up the debris at the grille outlet, and regularly check and maintain the water pump and control system.
  • FIG. 1 is a schematic structural diagram of a rural domestic sewage resource treatment device according to the present invention.
  • 1 is a biogas digester
  • 2 is a gas storage tank
  • 3 is a gas pressure regulator
  • 4 is a gas circulation pump
  • 5 is a gas pipeline
  • 6 is a grill processing unit
  • 7 is a buried anaerobic tank
  • 8 is a tower Type biological filter
  • 9 is a submerged artificial wetland
  • 10 is a lift pump
  • 11 is a flow meter
  • 12 is a return pump
  • 13 is a sewage pipe
  • 14 is a water inlet pipe
  • 15 is an aeration device
  • 16 is a biological filler
  • 17 is a wetland Plants
  • 18 are outlet pipes.
  • a sewage resource treatment device includes a biogas digester 1, a gas storage tank 2, a gas pressure regulator 3, a gas circulation pump 4, a gas pipeline 5, a grill processing unit 6, a buried anaerobic tank 7, and a tower biological filter Pool 8, submerged artificial wetland 9, lift pump 10, flow meter 11, return pump 12, sewage pipe 13, inlet pipe 14, aeration device 15, biological filler 16, wetland plant 17, outlet pipe 18; biogas pond 1 and storage
  • the gas tank 2 is connected between the gas storage tank 2 and the gas pressure regulator 3, the gas pressure regulator 3 and the gas circulation pump 4 are connected by a gas pipeline; the grill processing unit 6 and the buried anaerobic tank 7
  • the underground anaerobic tank 7 and the tower biological filter 8 are connected through the sewage pipeline 13 between the tower biological filter 8 and the submerged artificial wetland 9; the water inlet pipe 14 is provided at the front of the grid processing unit 6 ;
  • the aeration device 15 is located at the bottom of the buried anaerobic
  • the buried anaerobic tank 7 is all underground, adopts brick or concrete structure, and is provided with manholes for cleaning.
  • the methane in the gas storage tank 2 is produced in the biogas tank 1, and the flow rate is controlled by the gas pressure regulator 3.
  • the gas aerated by the aeration device 15 is methane.
  • the buried anaerobic tank 7 uses the aeration device 15, the gas circulation pump 4, and the gas pipeline 5 to perform aeration by circulating methane.
  • the hydraulic retention time in the buried anaerobic tank 7 is 20-30 hours, and the inoculated sludge is from the anaerobic activated sludge of the local sewage treatment plant.
  • the grid processing unit 6 is underground, and a fine grid is installed at the water inlet.
  • the fine grid is inclined at an angle of 40-60 degrees, and the gap of the grid is 20-40 mm.
  • the biological filler 16 in the tower biological filter 8 is a microporous biological filter material with a bulk density of 600 to 1200 g / cm3, and the particle size of the microporous biological filter material is 25 to 40 mm.
  • a sewage resource treatment device includes a biogas digester 1, a gas storage tank 2, a gas pressure regulator 3, a gas circulation pump 4, a gas pipeline 5, a grill processing unit 6, a buried anaerobic tank 7, and a tower biological filter Pool 8, submerged artificial wetland 9, lift pump 10, flow meter 11, return pump 12, sewage pipe 13, inlet pipe 14, aeration device 15, biological filler 16, wetland plant 17, outlet pipe 18; biogas pond 1 and storage
  • the gas tank 2 is connected between the gas storage tank 2 and the gas pressure regulator 3, the gas pressure regulator 3 and the gas circulation pump 4 are connected by a gas pipeline; the grill processing unit 6 and the buried anaerobic tank 7
  • the underground anaerobic tank 7 and the tower biological filter 8 are connected through the sewage pipeline 13 between the tower biological filter 8 and the submerged artificial wetland 9.
  • the front end of the grid processing unit 6 is provided with a water inlet pipe 14. ;
  • the aeration device 15 is provided at the bottom of the buried anaerobic tank 7; and the aeration device 15 is connected to the gas circulation pump 4 through a gas pipeline; the gas pipeline between the gas pressure regulator 3 and the gas circulation pump 4 is provided A gas branch pipe connected to the buried anaerobic tank 7; the lift pump 10 is provided in the buried anaerobic tank 7
  • the sewage pipeline between the tower biological filter 8 and the sewage pipeline between the tower biological filter 8 and the submerged artificial wetland 9 are provided with a flow meter 11; the sewage between the tower biological filter 8 and the flow meter 11
  • the pipeline is provided with a sewage branch pipe which is connected to the bottom of the buried anaerobic tank 7 and a return pump 12 is provided on the sewage branch pipe; wetland plants 17 are provided on the submerged artificial wetland 9 and the tail of the submerged artificial wetland 9
  • the buried anaerobic tank 7 is all underground, adopts brick or concrete structure, and is provided with manholes for cleaning.
  • the methane in the gas storage tank 2 is produced in the biogas digester 1, and the flow is controlled by the gas pressure regulator 3.
  • the buried anaerobic tank 7 uses the aeration device 15, the gas circulation pump 4, and the gas pipeline 5 to circulate methane.
  • Aeration, hydraulic retention time is 24 hours, and its inoculated sludge comes from anaerobic activated sludge from the local sewage treatment plant.
  • the grid processing unit 6 is underground, and a fine grid is installed at the water inlet.
  • the fine grid is inclined at an angle of 60 degrees and the gap between the grids is 40 mm.
  • microporous [biological filler 16 in the tower biological filter 8 is a microporous biological filter material, the bulk density of 1000g / cm material filter material has a particle diameter of 40 mm.
  • This device is used for rural domestic sewage treatment. In actual work, when the concentration of CODcr in the rural sewage influent is 350mg / L, the concentration of NH 3 -N is 32mg / L, the concentration of TN is 59mg / L, and the concentration of TP is 3mg / L.
  • the reflux ratio is 100%, and the nitrogen and phosphorus removal rate of the sewage to be treated is high, and the effluent is clear. Stop the backflow, and let the effluent from the tower biological filter (8) enter the submerged artificial wetland (9) to further remove phosphorus and remove nitrogen to a certain extent.
  • the wetland plant (17) is canna, and the submerged artificial wetland (9) uses pebbles and blast furnace. The slag is filled, and the sewage finally flows out of the outlet pipe (18) at the end of the submerged artificial wetland (9).
  • the removal rate was 90.6%, NH 3 -N concentration of 4mg / L, the removal rate was 87.5%, TN concentration of 9mg / L, the removal rate was 84.7%, TP concentration of 0.6 mg / L, the removal rate is 80.0%, the treated effluent meets the standard discharge.

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  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

一种农村生活污水资源化处理装置，包括沼气池(1)、格栅预处理单元(6)、地埋式厌氧池(7)、塔式生物滤池(8)以及潜流人工湿地(9)。沼气池(1)产生的甲烷在厌氧条件下可进行反硝化和硫酸盐还原，利用甲烷作为碳源强化厌氧生化处理，甲烷的增温作用可提高处理效率，塔式生物滤池(8)后设置回流，提高脱氮率。可有效去除有机物并高效脱除氮磷，占地面积小，运行成本低，因地制宜，实现了废物资源化利用。

Description

一种污水资源化处理装置 技术领域
本发明涉环境工程领域，尤其是涉及一种污水资源化处理装置。
背景技术
近年来，随着我国农村的发展和农村人民生活水平的迅速提高，农村生活污水的排放量不断增加，农村生活污水已成为仅次于城市污水的又一严重污染源。与此同时，由于农村污染源分散且面广，污水量少，并且受自然条件限制，农村生活污水具有分散、不易收集等特点，大范围的铺设污水收集管网较为困难，使得农村生活污水不能纳入大型集中污水厂集中进行处理，农村生活污水的无害化处理率很低，只能因地制宜地寻求高效率低能耗的较为适合的污水处理方法及工艺。
目前农村生活污水处理常用的工艺主要有生化处理系统(厌氧、缺氧、好氧)和生态处理系统，主要以无动力厌氧生物处理、土地处理、人工湿地工艺为主。这一系列方法存在着停留时间长、冬季处理效果差、废水中氮磷的去除效果不佳等弊端。比如单纯的生化处理系统存在着运行成本高，难以适应农村地区经济状况，而生态处理技术也存在着冬季等季节性处理效果差的情况。因此，现有农村生活污水处理技术不足、氮磷排放过多是导致目前农村生活污水富营养化日趋严重的直接诱因。
为了适应农村地区的特点，农村生活污水处理的发展方向是强化厌氧生化处理系统，或采用将曝气充氧与污水提升、混合液回流相结合等方式，同时充分利用生态处理系统，以充分降低运行成本并降低维护管理难度。同时，最新研究表明：在厌氧条件下，甲烷作为碳源进行硝酸盐脱氮以及硫酸盐还原是可行的，并可保持较高的脱氮率。
发明内容
本发明的目的在于克服现有的不足，解决农村生活污水处理效果差，运行费用高的问题，提供一种高效低耗，治污效率高，环境效益好的农村生活污水资源化处理装置。
本发明为实现上述目的采用如下技术的方案：一种污水资源化处理装置，包括沼气池、储气罐、气压调节器、气体循环泵、气体管道、格栅处理单元、地埋式厌氧池、塔式生物滤池、潜流人工湿地、提升泵、流量计、回流泵、污水管道、进水管、曝气装置、生物填料、湿地植物、出水管；所述沼气池与储气罐之间、储气罐与气压调节器之间、气压调节器与气体循环泵之间均通过气体管道连接；所述格栅处理单元和地埋式厌氧池之间、地埋式厌氧池和塔式生物滤池之间、塔式生物滤池和潜流人工湿地之间均通过污水管道连接；所述进水管设于格栅处理单元的前端；所述曝气装置设于地埋式厌氧池内的底部，且曝气装置通过气体管道与气体循环泵连接；所述气压调节器与气体循环泵之间的气体管道上设有气体支管，且该气体支管与地埋式厌氧池相连；所述提升泵设于地埋式厌氧池和塔式生物滤池之间的污水管道上；所述流量计设于塔式生物滤池与潜流人工湿地之间的污水管道上；塔式生物滤池与流量计之间的污水管道上设有污水支管，该污水支管与地埋式厌氧池的底部相连，且回流泵设于污水支管上；所述湿地植物设于潜流人工湿地上，所述出水管设于潜流人工湿地的尾端。地埋式厌氧池为全地下式，采用砖砌或混凝土结构，并设有用于清理的人孔。储气罐中的甲烷产自于沼气池，农村往往建有沼气池，可将产生的一部分甲烷储存于气罐中，待使用时通过气压调节器控制流量；曝气装置曝气的气体为甲烷。地埋式厌氧池利用曝气装置、气体循环泵以及气体管道通过循环甲烷的方式进行曝气。地埋式厌氧池中水力停留时间为20～30小时，其接种污泥来自当地污水处理厂厌氧活性污泥。格栅处理单元为地下式，其进水处安装细格栅，细格栅倾斜角度为40-60度，栅条间隙为20-40毫米。
所述塔式生物滤池内的生物填料为微孔生物滤料，为使污水能与微孔生物滤料发生接触且以一定速率流经微孔生物滤料，同时保持净化效果，堆积密度为600～1200g/cm3，微孔生物滤料的粒径为25～40毫米。与现有技术相比，本发明具有以下有益效果：
1、该装置设有沼气池、格栅预处理单元、地埋式厌氧池、好氧生物滤塔、潜流人工湿地，可高效去除农村生活污水中的有机物以及氮磷营养物质。2、格栅处理单元以及地埋式厌氧池采用地下式，有利于冬季保温，减轻气温的影响。3、沼气池产生的甲烷在厌氧条件下可进行反硝化和硫酸盐还原，利用甲烷作为碳源强化厌氧生化处理，并保持较高的脱氮率，因地制宜，实现废物资源化利用。4、由于甲烷具有增温作用，可同时提高地埋式厌氧池以及塔式生物滤池的处理效率，效果显著。5、本 发明设置滤后混合液回流，可有效提高COD、氨氮以及总氮的去除率，保证出水水质以及系统稳定运行。6、该装置采用自动化控制，操作管理方便，易于维护，只需安排专人定期对格栅出口处的杂物进行清理，定期对水泵、控制系统等进行检查与维护。
附图说明
图1是本发明农村生活污水资源化处理装置的结构示意图。
图中：1为沼气池、2为储气罐、3为气压调节器、4为气体循环泵、5为气体管道、6为格栅处理单元、7为地埋式厌氧池、8为塔式生物滤池、9为潜流人工湿地、10为提升泵、11为流量计、12为回流泵、13为污水管道、14为进水管、15为曝气装置、16为生物填料、17为湿地植物、18为出水管。
具体实施方式
下面结合附图对本发明的实施例做进一步的详细描述。
实施例1
一种污水资源化处理装置，包括沼气池1、储气罐2、气压调节器3、气体循环泵4、气体管道5、格栅处理单元6、地埋式厌氧池7、塔式生物滤池8、潜流人工湿地9、提升泵10、流量计11、回流泵12、污水管道13、进水管14、曝气装置15、生物填料16、湿地植物17、出水管18；沼气池1与储气罐2之间、储气罐2与气压调节器3之间、气压调节器3与气体循环泵4之间均通过气体管道连接；格栅处理单元6和地埋式厌氧池7之间、地埋式厌氧池7和塔式生物滤池8之间、塔式生物滤池8和潜流人工湿地9之间均通过污水管道13连接；进水管14设于格栅处理单元6的前端；曝气装置15设于地埋式厌氧池7内的底部，且曝气装置15通过气体管道与气体循环泵4连接；气压调节器3与气体循环泵4之间的气体管道上设有气体支管，且该气体支管与地埋式厌氧池7相连；提升泵10设于地埋式厌氧池7和塔式生物滤池8之间的污水管道上；流量计11设于塔式生物滤池8与潜流人工湿地9之间的污水管道上；塔式生物滤池8与流量计11之间的污水管道上设有污水支管，该污水支管与地埋式厌氧池7的底部相连，且回流泵12设于污水支管上；湿地植物17设于潜流人工湿地9上，出水管18设于潜流人工湿地9的尾端。地埋式厌氧池7为全地下式，采用砖砌或混凝土结构，并设有用于清理的人孔。储气 罐2中的甲烷产自于沼气池1，并通过气压调节器3控制流量；曝气装置15曝气的气体为甲烷。地埋式厌氧池7利用曝气装置15、气体循环泵4以及气体管道5通过循环甲烷的方式进行曝气。地埋式厌氧池7中水力停留时间为20～30小时，其接种污泥来自当地污水处理厂厌氧活性污泥。格栅处理单元6为地下式，其进水处安装细格栅，细格栅倾斜角度为40-60度，栅条间隙为20-40毫米。塔式生物滤池8内的生物填料16为微孔生物滤料，堆积密度为600～1200g/cm3，微孔生物滤料的粒径为25～40毫米。
实施例2
一种污水资源化处理装置，包括沼气池1、储气罐2、气压调节器3、气体循环泵4、气体管道5、格栅处理单元6、地埋式厌氧池7、塔式生物滤池8、潜流人工湿地9、提升泵10、流量计11、回流泵12、污水管道13、进水管14、曝气装置15、生物填料16、湿地植物17、出水管18；沼气池1与储气罐2之间、储气罐2与气压调节器3之间、气压调节器3与气体循环泵4之间均通过气体管道连接；格栅处理单元6和地埋式厌氧池7之间、地埋式厌氧池7和塔式生物滤池8之间、塔式生物滤池8和潜流人工湿地9之间均通过污水管道13连接；格栅处理单元6的前端设有进水管14；曝气装置15设于地埋式厌氧池7内的底部；且曝气装置15通过气体管道与气体循环泵4连接；气压调节器3与气体循环泵4之间的气体管道上设有气体支管，且该气体支管与地埋式厌氧池7相连；提升泵10设于地埋式厌氧池7和塔式生物滤池8之间的污水管道上；塔式生物滤池8与潜流人工湿地9之间的污水管道上设有流量计11；塔式生物滤池8与流量计11之间的污水管道上设有污水支管，该污水支管与地埋式厌氧池7的底部相连，且污水支管上设有回流泵12；湿地植物17设于潜流人工湿地9上，且潜流人工湿地9的尾端设有出水管18。地埋式厌氧池7为全地下式，采用砖砌或混凝土结构，并设有用于清理的人孔。储气罐2中的甲烷产自于沼气池1，并通过气压调节器3控制流量；地埋式厌氧池7利用曝气装置15、气体循环泵4以及气体管道5通过循环甲烷的方式进行曝气，水力停留时间为24小时，其接种污泥来自当地污水处理厂厌氧活性污泥。格栅处理单元6为地下式，其进水处安装细格栅，细格栅倾斜角度为60度，栅条间隙为40毫米。 3，微孔生[塔式生物滤池8内的生物填料16为微孔生物滤料，堆积密度为1000g/cm物滤料的粒径为40毫米。农村生活污水处理采用本装置。实际工作时，当农村生活污水进水CODcr浓度为 350mg/L，NH 3-N浓度为32mg/L，TN浓度为59mg/L，TP浓度为3mg/L时，待处理污水从进水管(14)进入，经过格栅处理单元(6)的预处理后进入地埋式厌氧池(7)，在厌氧菌作用下分解和去除水中有机物，同时利用甲烷为碳源进行反硝化和硫酸盐还原，通过循环甲烷的方式进行曝气，甲烷的曝气量为2L/h，停留24小时后，通过提升泵(10)污水进入塔式生物滤池(8)进一步去除有机物和氮磷，塔式生物滤池(8)的滤后水通过回流泵(12)回流至地埋式厌氧池(7)，回流比为100％，待处理污水氮磷去除率较高、出水较为清澈时，停止回流，让塔式生物滤池(8)的出水进入潜流人工湿地(9)进一步除磷，同时对氮有一定去除，湿地植物(17)为美人蕉，潜流人工湿地(9)采用鹅卵石与高炉炉渣填充，污水最终由潜流人工湿地(9)尾端的出水管(18)流出，经该装置处理过后出水CODcr浓度为33mg/L，去除率为90.6％，NH 3-N浓度为4mg/L，去除率为87.5％，TN浓度为9mg/L，去除率为84.7％，TP浓度为0.6mg/L，去除率为80.0％，处理出水达标排放。

Claims (6)

  1. 一种污水资源化处理装置，包括沼气池(1)、储气罐(2)、气压调节器(3)、气体循环泵(4)、气体管道(5)、格栅处理单元(6)、地埋式厌氧池(7)、塔式生物滤池(8)、潜流人工湿地(9)、提升泵(10)、流量计(11)、回流泵(12)、污水管道(13)、进水管(14)、曝气装(15)、生物填料(16)、湿地植物(17)、出水管(18)；其特征在于：所述沼气池(1)与储气罐(2)之间、储气罐(2)与气压调节器(3)之间、气压调节器(3)与气体循环泵(4)之间均通过气体管道连接；所述格栅处理单元(6)和地埋式厌氧池(7)之间、地埋式厌氧池(7)和塔式生物滤池(8)之间、塔式生物滤池(8)和潜流人工湿地(9)之间均通过污水管道(13)连接；所述进水管(14)设于格栅处理单元(6)的前端；所述曝气装置(15)设于地埋式厌氧池(7)内的底部，且曝气装置(15)通过气体管道与气体循环泵(4)连接；所述气压调节器(3)与气体循环泵(4)之间的气体管道上设有气体支管，且该气体支管与地埋式厌氧池(7)相连；所述提升泵(10)设于地埋式厌氧池(7)和塔式生物滤池(8)之间的污水管道上；所述流量计(11)设于塔式生物滤池(8)与潜流人工湿地(9)之间的污水管道上；塔式生物滤池(8)与流量计(11)之间的污水管道上设有污水支管，该污水支管与地埋式厌氧池(7)的底部相连，且回流泵(12)设于污水支管上；所述湿地植物(17)设于潜流人工湿地(9)上，所述出水管(18)设于潜流人工湿地(9)的尾端。
  2. 根据权利要求1所述的一种污水资源化处理装置，其特征在于：所述地埋式厌氧池(7)为全地下式，采用砖砌或混凝土结构，并设有用于清理的人孔。
  3. 根据权利要求1所述的一种污水资源化处理装置，其特征在于：所述曝气装置(15)曝气的气体为甲烷。
  4. 根据权利要求1所述的一种污水资源化处理装置，其特征在于：所述地埋式厌氧池(7)中水力停留时间为20～30小时，其接种污泥来自当地污水处理厂厌氧活性污泥。
  5. 根据权利要求1所述的一种污水资源化处理装置，其特征在于：所述格栅处理单元(6)为地下式，其进水处安装细格栅，细格栅倾斜角度为40-60度，栅条间隙为20-40毫米。
  6. 根据权利要求1所述的一种污水资源化处理装置，其特征在于：所述塔式生物滤池(8) 内的生物填料(16)为微孔生物滤料，堆积密度为600～1200g/cm 3，微孔生物滤料的粒径为25～40毫米。
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