WO2010133149A1 - 污水资源化厌氧处理装置 - Google Patents

污水资源化厌氧处理装置 Download PDF

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Publication number
WO2010133149A1
WO2010133149A1 PCT/CN2010/072759 CN2010072759W WO2010133149A1 WO 2010133149 A1 WO2010133149 A1 WO 2010133149A1 CN 2010072759 W CN2010072759 W CN 2010072759W WO 2010133149 A1 WO2010133149 A1 WO 2010133149A1
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WIPO (PCT)
Prior art keywords
sewage
sludge
pool body
anaerobic treatment
outlet
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PCT/CN2010/072759
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English (en)
French (fr)
Inventor
刘国田
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潍坊金丝达印染有限公司
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Publication of WO2010133149A1 publication Critical patent/WO2010133149A1/zh

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Classifications

    • 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
    • C02F3/2826—Anaerobic digestion processes using anaerobic filters
    • 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
    • C02F3/284—Anaerobic digestion processes using anaerobic baffled reactors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

Definitions

  • the present invention relates to an apparatus for treating sewage, and more particularly to an apparatus for treating sewage by an anaerobic method.
  • Sewage anaerobic treatment is an important step in the sewage treatment process, but the disadvantages of the existing anaerobic treatment equipment are: short process, complicated structure, anaerobic bacteria are not easy to survive, and COD removal rate is low.
  • the technical problem to be solved by the present invention is to provide a sewage resource anaerobic treatment device with high COD removal rate, high anaerobic bacteria survival rate, effluent PH value tending to neutrality and capable of generating a large amount of biogas.
  • a sewage resource anaerobic treatment device comprising: a closed pool body provided with a sewage inlet and a sewage outlet, wherein an upper portion of the inner space of the pool body is hollow, A baffle plate is fixedly mounted on a lower portion of the inner space of the pool body, and the baffle plate divides the lower space of the pool body into a meandering and deflated sewage flow channel, wherein the flow channel is suspended with a biological filler, and the bottom of the sewage flow channel A sludge recoil device is installed, and a top of the tank body is provided with a biogas outlet; the sludge recoil device is a plurality of nozzles arranged at the bottom of the sewage flow channel, and the nozzle is connected to the sewage pump through a pipeline.
  • the top surface of the pool body is provided with a sealed pool.
  • the biogas outlet is connected to a desulfurization device through a pipeline, and an outlet of the desulfurization device is connected with a biogas storage tank through a pipeline.
  • the desulfurization apparatus includes a tank body in which an adsorption liquid is placed.
  • the closed pool body is further provided with a sludge removing device.
  • the sludge removing device includes a dredging pipe whose inlet is located in the closed tank body sludge, and the outlet of the dredging pipe extends to the outside of the closed cell body.
  • the sewage resource anaerobic treatment device comprises a closed pool body provided with a sewage inlet and a sewage outlet, wherein an upper part of the inner space of the pool body is hollow, and a baffle is fixedly installed in a lower part of the inner space of the pool body.
  • baffle separating the lower space of the pool body into a twisted sewage flow channel, wherein the flow channel is suspended with a biological filler, and a bottom of the sewage flow channel is provided with a sludge recoil device,
  • the top of the tank body is provided with a biogas outlet; the baffle plate is arranged to increase the time of sewage circulation, thereby increasing the time of anaerobic reaction; the biological filler suspended in the flow channel is attached with a large amount of anaerobic bacteria, which ensures sewage and nausea.
  • the full contact of oxygen bacteria greatly improves the efficiency of anaerobic; the function of the sludge recoil device is to backflush the bottom sludge to ensure that there are enough anaerobic bacteria attached to the biological filler, and at the same time make the sludge Anaerobic bacteria are fully involved in the anaerobic reaction and further increase the rate of soil removal.
  • FIG. 1 is a schematic structural view of an embodiment of the present invention
  • Figure 2 is an A-A arrow view of Figure 1, showing only the arrangement of the baffles.
  • the sewage resource anaerobic treatment device comprises a closed pool body 1 provided with a sewage inlet 11 and a sewage outlet 12, the upper part of the inner space of the pool body is hollow, and the hollow upper part is used for collecting The biogas, and thus the good anaerobic space in the tank, is provided with a biogas outlet 13 at the top of the tank.
  • a baffle 2 is fixedly mounted on a lower portion of the inner space of the pool body, and the baffle 2 spaces the lower space of the pool body Separating into a sloping sewage channel 3, the structure enables the sewage to have a longer flow passage, and the closed pool body 1 has a smaller footprint; the sewage channel 3 is suspended with a biological filler 4, Bio-filler 4 consists of microbial-treated tablets with high tensile strength, high porosity and surface area, fast microbial membranes and high biomass. It is a good carrier for the growth of microorganisms and plankton, thereby increasing water biomass and biodiversity, and promoting The occurrence of anaerobic reactions.
  • a sludge recoil device 5 is installed at the bottom of the sewage flow path 3, and the sludge recoil device 5 is a plurality of nozzles disposed at the bottom of the sewage flow channel 3, and the nozzle is connected to a sewage pump through a pipeline ( Not shown in the figure).
  • the function of the sludge recoil device is to backflush the bottom sludge to ensure that sufficient anaerobic bacteria adhere to the bio-filler 4, and at the same time, the anaerobic bacteria in the sludge fully participate in the anaerobic reaction, further improving the dirt. Removal rate.
  • the lower portion of the pool body 1 is mostly buried in the ground, and the top surface 14 of the pool body is provided with a sealing pool 15, thereby ensuring the sealing and safety of the pool body 1;
  • the top surface is covered with water.
  • it acts to seal the top surface of the tank body, and it is easy to observe the leak and repair it.
  • it has a fireproof function, and the external fire source is isolated from the anaerobic tank. Will cause an explosion of the anaerobic pool.
  • the biogas outlet 13 is connected to a desulfurization device 6 through a pipeline, and the outlet of the desulfurization device 6 is connected to a biogas storage tank 7 through a pipe.
  • the desulfurization device 6 includes a can body 61 in which an adsorbent liquid 62 is placed. The use of the desulfurization device 6 prevents secondary pollution caused by the combustion of sulfur-containing biogas.
  • a sludge removing device 8 is further disposed in the closed pool.
  • the sludge removing device 8 includes a dredging pipe whose inlet is located in the closed tank sludge, and the outlet of the dredging pipe extends to the outside of the closed pool body; when the sludge in the pool is excessive, the sludge pump is The sludge can be sucked out to ensure a good anaerobic environment.
  • the COD removal rate is over 70%, and the PH value reaches 6.5. Between 8, it provides a good guarantee for aerobic oxidation; and the biogas production is high, safe and reliable; that is, the sewage is treated and the biogas energy is obtained.
  • the arrangement of the baffles increases the time for the sewage to flow, thereby increasing the time of the anaerobic reaction; the biological filler suspended in the flow channel is attached with a large amount of anaerobic bacteria, which ensures the sewage and anaerobic bacteria.
  • Full contact greatly improving the efficiency of anaerobic; the function of the sludge recoil device is to backflush the bottom sludge to ensure that there are enough anaerobic bacteria attached to the bio-filler and at the same time make the anaerobic bacteria in the sludge Fully participate in anaerobic reactions to further increase the rate of soil removal.

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  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biological Treatment Of Waste Water (AREA)

Description

技术领域
本发明涉及一种处理污水的装置， 尤其涉及一种采用厌氧方法处理污水的 装置。
背景技术
随着我国经济的快速增长， 水资源越来越短缺， 污水对环境的影响越来越 大， 经济发展与资源环境的矛盾日趋尖锐， 污水处理成为一大难题。
污水厌氧处理是污水处理工艺中的一个重要步骤， 但现有的厌氧处理装置的 缺点是： 流程短、 结构复杂、 厌氧菌不容易存活， COD去除率较低。
发明内容
本发明所要解决的技术问题是提供一种 COD去除率较高、厌氧菌存活率较 高、 出水 PH值趋向中性并能产生大量沼气的污水资源化厌氧处理装置。
为解决上述技术问题， 本发明的技术方案是： 污水资源化厌氧处理装置， 其特 征在于： 包括设有污水进口和污水出口的封闭池体， 所述池体内部空间的上部 中空， 所述池体内部空间下部固定安装有折流板， 所述折流板将所述池体下部 空间分隔成迂回弯折的污水流道， 所述流道内悬挂有生物填料， 所述污水流道 的底部安装有污泥反冲装置， 所述池体的顶部设有沼气出口； 所述污泥反冲装 置为布置在所述污水流道底部的若干喷嘴， 所述喷嘴通过管路连接至污水泵。
作为优选的技术方案， 所述池体的顶面设有密封水池。
作为优选的技术方案， 所述沼气出口通过管路连接有脱硫装置， 所述脱硫 装置的出口通过管路连接有沼气储气罐。 作为对上述技术方案的改进， 所述脱硫装置包括罐体， 所述罐体内放置有 吸附液。
作为优选的技术方案， 所述封闭池体内还设有污泥清除装置。
作为对上述技术方案的改进， 所述污泥清除装置包括进口位于封闭池体污 泥内的清淤管， 所述清淤管的出口延伸至所述封闭池体的外部。
由于采用了上述技术方案， 污水资源化厌氧处理装置， 包括设有污水进口 和污水出口的封闭池体， 所述池体内部空间的上部中空， 所述池体内部空间下 部固定安装有折流板， 所述折流板将所述池体下部空间分隔成迂回弯折的污水 流道， 所述流道内悬挂有生物填料， 所述污水流道的底部安装有污泥反冲装置， 所述池体的顶部设有沼气出口； 折流板的设置， 增加了污水流通的时间， 从而 增加了厌氧反应的时间； 流道中悬挂的生物填料附着有大量的厌氧菌， 保证了 污水和厌氧菌的充分接触， 大大提高了厌氧的效率； 污泥反冲装置的作用是将 底部的污泥反冲， 保证有足够的厌氧菌附着在生物填料上， 同时又使污泥中的 厌氧菌充分参与厌氧反应， 进一歩提高污物去除率。
附图说明
图 1是本发明实施例的结构示意图；
图 2是图 1中的 A-A向视图， 图中仅示出了折流板的布置形式。
具体实施方式
如图 1和图 2所示， 污水资源化厌氧处理装置， 包括设有污水进口 11和污 水出口 12的封闭池体 1， 所述池体内部空间的上部中空， 该中空的上部用于收 集沼气， 并因此保持池内良好的厌氧空间， 所述池体的顶部设有沼气出口 13。 所述池体内部空间下部固定安装有折流板 2，所述折流板 2将所述池体下部空间 分隔成迂回弯折的污水流道 3， 这种结构能使污水具有更长的流动通道， 而且使 封闭池体 1的占地面积较小； 所述污水流道 3内悬挂有生物填料 4， 生物填料 4 由微生物处理片组成， 抗拉强度大， 孔隙率和表面积高， 微生物挂膜快， 生物 量大， 是微生物和浮游生物生长的良好载体， 从而增加水体生物量与生物多样 性， 促进厌氧反应的发生。
所述污水流道 3的底部安装有污泥反冲装置 5，所述污泥反冲装置 5为布置 在所述污水流道 3 底部的若干喷嘴， 所述喷嘴通过管路连接至污水泵 （图中未 示出）。 污泥反冲装置的作用是将底部的污泥反冲， 保证有足够的厌氧菌附着在 生物填料 4 上， 同时又使污泥中的厌氧菌充分参与厌氧反应， 进一步提高污物 去除率。
本实施例中， 所述池体 1的下部大部分埋于地下， 所述池体的顶面 14设有 密封水池 15， 从而保证了所述池体 1的密封性和安全性； 池体 1的顶面布满水， 一方面起到了密封池体顶面的作用， 并且很容易观察到泄露处并进行修补； 另 一方面， 具有防火功能， 将外部火源隔绝在厌氧池外， 不会引起厌氧池的爆炸。
所述沼气出口 13通过管路连接有脱硫装置 6，所述脱硫装置 6的出口通过管 路连接有沼气储气罐 7。 所述脱硫装置 6包括罐体 61， 所述罐体 61内放置有吸 附液 62。 脱硫装置 6的使用， 防止了含硫沼气燃烧后产生的二次污染。
本实施例中， 所述封闭池体内还设有污泥清除装置 8。 所述污泥清除装置 8 包括进口位于封闭池体污泥内的清淤管， 所述清淤管的出口延伸至所述封闭池 体的外部； 当池内污泥过多时， 通过污泥泵即可将污泥吸出， 从而保证良好的 厌氧环境。
经过本实施例处理的污水， COD去除率达到 70%以上， PH值达到 6.5— 8之间， 为好氧氧化提供良好的保障； 而且沼气产量高， 安全可靠； 即处理了 污水， 又获得了沼气能源。
工业实用性
在本发明中， 通过折流板的设置， 增加了污水流通的时间， 从而增加了厌 氧反应的时间； 流道中悬挂的生物填料附着有大量的厌氧菌， 保证了污水和厌 氧菌的充分接触， 大大提高了厌氧的效率； 污泥反冲装置的作用是将底部的污 泥反冲， 保证有足够的厌氧菌附着在生物填料上， 同时又使污泥中的厌氧菌充 分参与厌氧反应， 进一步提高污物去除率。

Claims

权 利 要 求 书
1.污水资源化厌氧处理装置， 其特征在于： 包括设有污水进口和污水出口的 封闭池体， 所述池体内部空间的上部中空， 所述池体内部空间下部固定安装有 折流板， 所述折流板将所述池体下部空间分隔成迂回弯折的污水流道， 所述流 道内悬挂有生物填料， 所述污水流道的底部安装有污泥反冲装置， 所述池体的 顶部设有沼气出口； 所述污泥反冲装置为布置在所述污水流道底部的若干喷嘴， 所述喷嘴通过管路连接至污水泵。
2. 如权利要求 1所述的污水资源化厌氧处理装置， 其特征在于： 所述池体 的顶面设有密封水池。
3. 如权利要求 1所述的污水资源化厌氧处理装置， 其特征在于： 所述沼气 出口通过管路连接有脱硫装置， 所述脱硫装置的出口通过管路连接有沼气储气 罐。
4. 如权利要求 3所述的污水资源化厌氧处理装置， 其特征在于： 所述脱硫 装置包括罐体， 所述罐体内放置有吸附液。
5. 如权利要求 1所述的污水资源化厌氧处理装置， 其特征在于： 所述封闭 池体内还设有污泥清除装置。
6. 如权利要求 5所述的污水资源化厌氧处理装置， 其特征在于： 所述污泥 清除装置包括进口位于封闭池体污泥内的清淤管， 所述清淤管的出口延伸至所 述封闭池体的外部。
PCT/CN2010/072759 2009-05-21 2010-05-14 污水资源化厌氧处理装置 WO2010133149A1 (zh)

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CN110002588A (zh) * 2019-04-30 2019-07-12 中铁第四勘察设计院集团有限公司 集便污水资源化处理装置及系统
CN118405788A (zh) * 2024-06-13 2024-07-30 新疆维吾尔自治区环境保护科学研究院 一种农村生活污水资源化利用厌氧处理装置及方法

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CN103819058B (zh) * 2014-03-05 2015-08-26 菏泽学院 一种实验室用小型废水处理装置及废水处理方法
CN104496018B (zh) * 2014-12-23 2017-01-04 北京高能时代环境技术股份有限公司 一种用于生物质处理的微隧道厌氧生物反应器

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CN110002588A (zh) * 2019-04-30 2019-07-12 中铁第四勘察设计院集团有限公司 集便污水资源化处理装置及系统
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