WO2020029571A1 - 一种变速升流式水解酸化反应器 - Google Patents

一种变速升流式水解酸化反应器 Download PDF

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WO2020029571A1
WO2020029571A1 PCT/CN2019/075587 CN2019075587W WO2020029571A1 WO 2020029571 A1 WO2020029571 A1 WO 2020029571A1 CN 2019075587 W CN2019075587 W CN 2019075587W WO 2020029571 A1 WO2020029571 A1 WO 2020029571A1
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water
pipe
water distribution
pool
flow
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PCT/CN2019/075587
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English (en)
French (fr)
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谢海松
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广州一博环保科技有限公司
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Publication of WO2020029571A1 publication Critical patent/WO2020029571A1/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
    • C02F3/28—Anaerobic digestion processes
    • C02F3/2866—Particular arrangements for anaerobic reactors
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections

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  • the invention relates to the technical field of sewage treatment technology, and particularly relates to a variable-speed up-flow hydrolysis acidification reactor.
  • the hydrolytic acidification process controls the anaerobic treatment in the first and second stages of the anaerobic treatment with a short reaction time according to the different growth rates of methanogenic bacteria and hydrolytic acidogenic bacteria, that is, insoluble organic matter will be affected by a large number of hydrolytic bacteria and acidifying bacteria.
  • the process of hydrolyzing into dissolved organic matter transforming hardly biodegradable macromolecular substances into easily biodegradable small molecule substances, thereby improving the biodegradability of wastewater and laying a good foundation for subsequent treatment.
  • Existing hydrolysis and acidification reactors are generally in the form of pool bodies. Most of the water distribution systems use multi-point water distribution systems or perforated pipe water distribution systems. Water is fed by gravity flow. The height of the pool body is generally below seven meters. There will be additional mechanical stirrers in the tank, and there is no internal circulation system.
  • the object of the present invention is to provide a variable-speed up-flow hydrolytic acidification reactor to solve the problem of installation defects mentioned in the background art.
  • a variable-speed up-flow hydrolytic acidification reactor which includes a pool body, a central shaft is set in the center of the pool body, and a sewage inlet pipe and a bottom water distribution pipe are connected to the bottom of the central shaft.
  • a water distributor is installed on the top of the pool body, and the bottom of the water distributor is communicated with the central shaft.
  • the water distributor is also connected with a return main pipe, and the other end of the return main pipe is connected with a multi-point water absorption and return device located in the tank body.
  • a flow meter is installed on the return main pipe, and a return pump is installed inside the return main pipe.
  • a water distribution port is provided on the bottom of the pool water distribution pipe, and a reducing plug is installed at the end of each water distribution port.
  • An outlet water collecting tank is arranged on the top, and a mud discharge pipe is installed above the water distribution pipe at the bottom of the pool, and the mud discharge pipe is connected to a mud discharge pump outside the pool body.
  • the central shaft runs through the center line of the pool body from top to bottom, and the inside of the central shaft is hollow.
  • the piping system of the water distribution pipe at the bottom of the pool is uniformly distributed on the bottom of the pool in a tree shape, and is fixed in the form of a bracket.
  • the precise uniform water distribution system can prevent uneven water distribution.
  • the multi-point water absorption return device, the return main pipe, the return pump and the flow meter are fixed through a bracket to form a mixed liquid return system.
  • the mixed liquid return system uses the siphon principle to inject the returned mixed liquid into the bottom of the pool at a high speed through the central shaft, and then enters the pool through the bottom of the water distribution pipe 4.
  • the high-speed injected water flow can form a strong hydraulic stirring effect to make the mud and water fully mixed.
  • each The end of each water distribution port is equipped with a reducing plug. High-speed water flows through the reducing plug to create negative pressure around it. The water body around the water distribution port is sucked into the interior to form a circular circulation flow pattern, which enhances the effect of hydraulic stirring.
  • the water collection tank includes a water distribution tank and a water collection tank, and a triangular weir plate is installed on the water collection tank.
  • the water After the water is collected by the water collecting tank, it is uniformly sent to the water outlet tank outside the pool body, and is collected by the water outlet tank and discharged out of the system.
  • the mud dredging pipe is a square ring, specifically a perforated pipe, which is connected to the mud dredging pump outside the tank body, and regularly sucks mud through the mud dredging pump.
  • the mixed liquid return system uses the siphon principle to inject the returned mixed liquid into the bottom of the pool at a high speed through the central shaft, and then enters the pool through the water pipe at the bottom of the pool.
  • the siphon principle is used to generate high-speed water flow, which forms a strong hydraulic agitation to fully mix the mud and water.
  • the mixed liquid return system can adjust the environmental balance in the tank in real time and improve the impact resistance.
  • FIG. 1 is a schematic cross-sectional structure diagram of a variable-speed up-flow hydrolysis-acidification reactor according to the present invention
  • FIG. 2 is another schematic cross-sectional structure diagram of a variable-speed up-flow hydrolytic acidification reactor according to the present invention.
  • a variable-speed up-flow hydrolytic acidification reactor which includes a tank body 1, which is provided with a central shaft 2 in the center, and sewage is connected to the bottom of the central shaft 2 Water inlet pipe 3 and water distribution pipe 4 at the bottom of the pool.
  • a water distributor 9 is installed on the top of the pool body 1. The bottom of the water distributor 9 is communicated with the central shaft 2.
  • the water distributor 9 is also connected with a return main pipe 6 and a return main pipe.
  • the other end of the tube 6 is connected to a multi-point water absorption and return device 5 located in the tank body 1.
  • a flow meter 8 is installed on the return main pipe 6, a return pump 7 is installed inside the return main pipe 6, and a water pipe is arranged at the bottom of the pool. 4 is provided with a water outlet, each end of which is equipped with a reducing plug 10, the top of the pool body 1 is provided with a water collection tank 11, the bottom of the pool water pipe 4 is installed with a drainage pipe 12, The mud pipe 12 is connected to a mud pump 13 outside the tank 1.
  • the center shaft 2 runs through the center line of the pool body 1 from top to bottom, and the inside of the center shaft 2 is hollow.
  • the piping system of the pool bottom water distribution pipe 4 is uniformly distributed on the bottom of the pool in a tree shape, and is fixed in the form of a bracket.
  • the precise uniform water distribution system prevents the uneven distribution of water.
  • the multi-point water absorption return device 5, the return main pipe 6, the return pump 7, and the flow meter 8 are fixed through a bracket to form a mixed liquid return system.
  • the unique mixed liquid reflux system accurately controls the height of the mud bed, changes the rising velocity of the water body, realizes the separation of mud and water, prevents the loss of activated sludge, and reduces the concentration of suspended solids in the water.
  • the mixed liquid return system uses the siphon principle to inject the returned mixed liquid into the bottom of the pool at a high speed through the central shaft, and then enters the pool through the bottom of the water distribution pipe 4.
  • the high-speed injected water flow can form a strong hydraulic stirring effect to make the mud and water fully mixed.
  • the end of each water distribution port is equipped with a reducing plug 10, and high-speed water flows through the reducing plug 10 to create a negative pressure around it.
  • the water body around the water distribution port is sucked into the interior to form a circular circulation flow pattern, which enhances the effect of hydraulic stirring.
  • the water outlet and water collecting tank 11 includes a water outlet and a water collecting tank, and a triangular weir plate is installed on the water collecting tank.
  • the water collecting tank collects the water and sends it to the water outlet tank outside the pool, and collects the water through the water outlet tank and then discharges the system.
  • the sludge discharge pipe 12 is a square ring, specifically a perforated pipe, which is connected to the sludge discharge pump 13 outside the tank body, and regularly sucks mud through the sludge discharge pump.
  • the external sewage is injected into the central shaft 2 through the water inlet pipe 3, and then enters the inside of the pool through the bottom bottom water distribution pipe 4 connected to the shaft 2.
  • the water distribution pipe system is uniformly distributed around the bottom of the pool in a tree shape, and is fixed in the form of a bracket, which is accurate Uniform water distribution system to prevent uneven water distribution.
  • the return pump 7 is installed inside the return main pipe 6.
  • the multi-point water absorption and return device 5 draws the mixed liquid in the tank 1 back to the water distribution installed on the top of the tank.
  • the water distributor 9 uses the siphon principle to inject the returned mixed liquid through the central shaft 2 into the bottom of the pool at a high speed, and then enters the pool through the bottom bottom water distribution pipe 4.
  • the high-speed injected water flow can form a strong hydraulic stirring effect.
  • a reducing plug 10 is installed at the end of each water distribution port. High-speed water flows through the reducing plug 10 to create a negative pressure around it. The water around the water distribution port is sucked into the interior to form a circular circulation flow pattern, which enhances the hydraulic stirring. effect.
  • the whole process does not require mechanical stirring, no power consumption, energy saving and environmental protection. Due to the impact of high-speed water flow, the clogging of the water distribution pipe system is prevented.
  • the unique mixed liquid reflux system precisely controls the height of the mud bed, changes the rising velocity of the water body, and realizes the separation of mud and water, preventing The loss of activated sludge reduces the concentration of suspended solids in the effluent.
  • the mixed liquid return system can adjust the environmental balance in the tank in real time and improve the impact resistance.

Abstract

一种变速升流式水解酸化反应器，包括池体（1），池体（1）中央设有中心竖井（2），中心竖井（2）底部连接有污水进水管（3）和池底布水管（4），池体（1）顶部安装有布水器（9），布水器（9）底部与中心竖井（2）连通，布水器（9）还连接有回流主干管（6），回流主干管（6）的另一端连接位于池体（1）内的多点吸水回流装置（5），池底布水管（4）上设置有布水口，布水口的末端均装有变径塞（10），池体（1）顶部设有出水集水槽（11），池底布水管（4）上方安装有排泥管（12）。

Description

一种变速升流式水解酸化反应器 技术领域
本发明涉及污水处理技术技术领域，具体为一种变速升流式水解酸化反应器。
背景技术
水解酸化工艺根据产甲烷菌与水解产酸菌生长速度不同，将厌氧处理控制在反应时间较短的厌氧处理第一和第二阶段，即在大量水解细菌、酸化菌作用下将不溶性有机物水解为溶解性有机物，将难生物降解的大分子物质转化为易生物降解的小分子物质的过程，从而改善废水的可生化性，为后续处理奠定良好基础。现有的水解酸化反应器普遍为池体形式，布水系统大多采用多点式布水系统或穿孔管布水系统，用重力流的方式进水，池体高度普遍在七米以下，某些池内会增设机械搅拌器，无内循环系统。
现有技术的缺点在于进水管路容易堵塞，布水不均匀，泥水混合效果差且耗费电能，容易产生水力死角，导致整理处理效果差，并且容易出现活性污泥流失、出水浑浊的现象。由于现有同类型产品大多不设循环系统，无法实时调控内环境，抗冲击能力较差。
发明内容
本发明的目的在于提供一种变速升流式水解酸化反应器，以解决上述背景技术中提出的安装缺陷的问题。
为实现上述目的，本发明提供如下技术方案：一种变速升流式水解酸化反应器，包括池体，所述池体中央设有中心竖井，中心竖井底部连接有污水进水管和池底布水管，所述池体顶部安装有布水器，布水器底部与中心竖井连通，所述布水器还连接有回流主干管，回流主干管的另一端连接 位于池体内的多点吸水回流装置，所述回流主干管上安装有流量计，回流主干管的内部安装有回流泵，所述池底布水管上设置有布水口，每个布水口的末端均装有变径塞，所述池体顶部设有出水集水槽，所述池底布水管上方安装有排泥管，排泥管与池体外部的排泥泵连接。
优选的，所述中心竖井由上至下贯穿池体中心线，中心竖井内部为空心。
优选的，所述池底布水管的管路系统呈树枝状均匀布满池底，以支架形式固定，精准式均匀布水系统，杜绝布水不均现象。
优选的，所述多点吸水回流装置、回流主干管、回流泵和流量计通过支架固定，形成混合液回流系统。
混合液回流系统利用虹吸原理将回流的混合液通过中心竖井高速注入池底，再通过池底布水管4进入池内，高速注入的水流能形成强烈的水力搅拌作用，使泥水混合充分，同时，每个布水口的末端装有变径塞，高速水流经过变径塞，使四周形成负压，把布水口周围的水体吸入内部，形成环形循环流态，增强了水力搅拌的效果。
优选的，所述出水集水槽包括出水槽和集水槽，集水槽上装有三角堰板。
集水槽收集水后统一输往池体外部的出水槽，通过出水槽统一收集后排出系统。
优选的，所述排泥管为正方形环状，具体为穿孔管，与池体外部排泥泵连接，通过排泥泵定期吸泥。
与现有技术相比，本发明的有益效果是：
1、混合液回流系统利用虹吸原理将回流的混合液通过中心竖井高速注入池底，再通过池底布水管进入池内，利用虹吸原理产生高速水流，形成强力的水力搅拌，使泥水混合充分。
2、无需机械搅拌，无电耗，节能环保。
3、精准式均匀布水系统，杜绝布水不均现象。
4、由于高速水流的冲击，杜绝布水管路系统发生堵塞；
5、独特的混合液回流系统，精确控制泥床的高度，改变水体上升流速，实现泥水分离，防止活性污泥流失，降低出水悬浮物浓度；
6、混合液回流系统能实时调控池内环境平衡，提高耐冲击能力。
附图说明
图1为本发明一种变速升流式水解酸化反应器的剖视结构示意图；
图2为本发明一种变速升流式水解酸化反应器的另一剖视结构示意图。
图中：1、池体；2、中心竖井；3、进水管；4、池底布水管；5、多点吸水回流装置；6、回流主干管；7、回流泵；8、流量计；9、布水器；10、变径塞；11、出水集水槽；12、排泥管；13、排泥泵。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1-2，本发明提供一种技术方案：一种变速升流式水解酸化反应器，包括池体1，所述池体1中央设有中心竖井2，中心竖井2底部连接有污水进水管3和池底布水管4，所述池体1顶部安装有布水器9，布水器9底部与中心竖井2连通，所述布水器9还连接有回流主干管6，回流主干管6的另一端连接位于池体1内的多点吸水回流装置5，所述回流主干管6上安装有流量计8，回流主干管6的内部安装有回流泵7，所述池底布水管4上设置有布水口，每个布水口的末端均装有变径塞10，所述池体1顶部 设有出水集水槽11，所述池底布水管4上方安装有排泥管12，排泥管12与池体1外部的排泥泵13连接。
所述中心竖井2由上至下贯穿池体1中心线，中心竖井2内部为空心。
所述池底布水管4的管路系统呈树枝状均匀布满池底，以支架形式固定，精准式均匀布水系统，杜绝布水不均现象。
所述多点吸水回流装置5、回流主干管6、回流泵7和流量计8通过支架固定，形成混合液回流系统。
独特的混合液回流系统，精确控制泥床的高度，改变水体上升流速，实现泥水分离，防止活性污泥流失，降低出水悬浮物浓度。
混合液回流系统利用虹吸原理将回流的混合液通过中心竖井高速注入池底，再通过池底布水管4进入池内，高速注入的水流能形成强烈的水力搅拌作用，使泥水混合充分，同时，每个布水口的末端装有变径塞10，高速水流经过变径塞10，使四周形成负压，把布水口周围的水体吸入内部，形成环形循环流态，增强了水力搅拌的效果。
所述出水集水槽11包括出水槽和集水槽，集水槽上装有三角堰板。
集水槽将水收集后统一输往池体外部的出水槽，通过出水槽统一收集后排出系统。
所述排泥管12为正方形环状，具体为穿孔管，与池体的外部的排泥泵13连接，通过排泥泵定期吸泥。
工作原理：外来污水通过进水管3注入中心竖井2，再经过与竖井2相连的池底布水管4进入池体内部，布水管路系统呈树枝状均匀布满池底，以支架形式固定，精准式均匀布水系统，杜绝布水不均现象，回流泵7安装于回流主干管6内部，通过多点吸水回流装置5将池体1内部的混合液抽回至安装在池体顶部的布水器9中，布水器9利用虹吸原理将回流的混合液通过中心竖井2高速注入池底，再通过池底布水管4进入池内，高速 注入的水流能形成强烈的水力搅拌作用。同时，每一个布水口的末端均装有变径塞10，高速水流经过变径塞10，使四周形成负压，把布水口周围的水体吸入内部，形成环形循环流态，增强了水力搅拌的效果。
全程无需机械搅拌，无电耗，节能环保，由于高速水流的冲击，杜绝布水管路系统发生堵塞，独特的混合液回流系统，精确控制泥床的高度，改变水体上升流速，实现泥水分离，防止活性污泥流失，降低出水悬浮物浓度，混合液回流系统能实时调控池内环境平衡，提高耐冲击能力。
本发明的描述中，需要说明的是，术语“竖直”、“上”、“下”、“水平”等指示的方位或者位置关系为基于附图所示的方位或者位置关系，仅是为了便于描述本发明和简化描述，而不是指示或者暗示所指的装置或者元件必须具有特定的方位，以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，“第一”、“第二”、“第三”、“第四”仅用于描述目的，而不能理解为指示或者暗示相对重要性。
本发明的描述中，还需要说明的是，除非另有明确的规定和限制，术语“设置”、“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接，可以是机械连接，也可以是电连接，可以是直接连接，也可以是通过中间媒介相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (6)

  1. 一种变速升流式水解酸化反应器，包括池体(1)，所述池体(1)中央设有中心竖井(2)，中心竖井(2)底部连接有污水进水管(3)和池底布水管(4)，所述池体(1)顶部安装有布水器(9)，布水器(9)底部与中心竖井(2)连通，所述布水器(9)还连接有回流主干管(6)，回流主干管(6)的另一端连接位于池体(1)内的多点吸水回流装置(5)，所述回流主干管(6)上安装有流量计(8)，回流主干管(6)的内部安装有回流泵(7)，所述池底布水管(4)上设置有布水口，每个布水口的末端均装有变径塞(10)，所述池体(1)顶部设有出水集水槽(11)，所述池底布水管(4)上方安装有排泥管(12)，排泥管(12)与池体(1)外部的排泥泵(13)连接。
  2. 根据权利要求1所述的一种变速升流式水解酸化反应器，其特征在于：所述中心竖井(2)由上至下贯穿池体(1)中心线，中心竖井(2)内部为空心。
  3. 根据权利要求1所述的一种变速升流式水解酸化反应器，其特征在于：所述池底布水管(4)的管路系统呈树枝状均匀布满池底，以支架形式固定。
  4. 根据权利要求1所述的一种变速升流式水解酸化反应器，其特征在于：所述多点吸水回流装置(5)、回流主干管(6)、回流泵(7)和流量计(8)通过支架固定，形成混合液回流系统。
  5. 根据权利要求1所述的一种变速升流式水解酸化反应器，其特征在于：所述出水集水槽(11)包括出水槽和集水槽，集水槽上装有三角堰板。
  6. 根据权利要求1所述的一种变速升流式水解酸化反应器，其特征在于：所述排泥管(12)为正方形环状，具体为穿孔管。
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CN110589965A (zh) * 2019-09-26 2019-12-20 沈阳环境科学研究院 一种水解酸化反应器
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