CN118166891A - Anti-flooding system and method - Google Patents
Anti-flooding system and method Download PDFInfo
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- CN118166891A CN118166891A CN202410487815.0A CN202410487815A CN118166891A CN 118166891 A CN118166891 A CN 118166891A CN 202410487815 A CN202410487815 A CN 202410487815A CN 118166891 A CN118166891 A CN 118166891A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000010865 sewage Substances 0.000 claims abstract description 155
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 238000002203 pretreatment Methods 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000003912 environmental pollution Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 13
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 101001121408 Homo sapiens L-amino-acid oxidase Proteins 0.000 description 1
- 101000827703 Homo sapiens Polyphosphoinositide phosphatase Proteins 0.000 description 1
- 102100026388 L-amino-acid oxidase Human genes 0.000 description 1
- 102100023591 Polyphosphoinositide phosphatase Human genes 0.000 description 1
- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/20—Measuring flow in sewer systems
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
本发明通过提供一种防淹泡系统及方法，包括：预处理构筑物、水处理构筑物以及末端提升构筑物，在污水高于溢流口的情况下，经由该溢流口将该污水排出；溢流泵池，用于容纳所排出的污水，并在第四液位计的液位数据(H4)达到该溢流泵池的最高值时，启动溢流泵；排溢管线，连接至该溢流泵，用于根据第二流量计的流量数据(Q2)，调节第一电动阀和第二电动阀的开闭。从而根据污水厂的处理能力动态处理溢流污水，在溢流污水较少时，将溢流污水排回处理构筑物中，在溢流污水过多时，将污水排出厂外，解决了现有技术处理溢流污水时污水处理效率降低、环境污染较大的问题。
The present invention provides an anti-flooding system and method, including: a pre-treatment structure, a water treatment structure and a terminal lifting structure, when the sewage is higher than the overflow port, the sewage is discharged through the overflow port; an overflow pump pool, used to accommodate the discharged sewage, and when the liquid level data (H4) of the fourth liquid level meter reaches the highest value of the overflow pump pool, the overflow pump is started; an overflow pipeline, connected to the overflow pump, is used to adjust the opening and closing of the first electric valve and the second electric valve according to the flow data (Q2) of the second flow meter. In this way, the overflow sewage is dynamically treated according to the treatment capacity of the sewage treatment plant. When the overflow sewage is less, the overflow sewage is discharged back to the treatment structure, and when the overflow sewage is too much, the sewage is discharged outside the plant, solving the problems of low sewage treatment efficiency and greater environmental pollution when treating overflow sewage in the prior art.
Description
技术领域Technical Field
本发明涉及水处理领域，具体涉及一种防淹泡系统及方法。The invention relates to the field of water treatment, and in particular to an anti-flooding system and method.
背景技术Background technique
目前全国约有200多座地下式污水厂，其中有大量的全地下式水厂。在全地下式水厂的污水处理工艺中，处理构筑物及处理设备易发生溢流情况，地下箱体内的管线、水池也易发生跑冒滴漏的情况。一旦发生严重的溢流事故，就会导致水厂停产，进而带来财产损失，影响百姓生活，引起严重的环境污染。相关技术中，通过溢流池储存处理构筑物的溢流污水，并将溢流池的溢流污水直接排出污水厂的地下箱体。但是，将污水直接排出损害污水厂周边的生态环境，也很大程度上降低了污水厂水处理的效率。At present, there are more than 200 underground sewage treatment plants in China, including a large number of fully underground water plants. In the sewage treatment process of fully underground water plants, the treatment structures and treatment equipment are prone to overflow, and the pipelines and pools in the underground boxes are also prone to leakage. Once a serious overflow accident occurs, it will cause the water plant to stop production, which will in turn cause property losses, affect people's lives, and cause serious environmental pollution. In related technologies, the overflow sewage of the treatment structure is stored in an overflow tank, and the overflow sewage of the overflow tank is directly discharged into the underground box of the sewage plant. However, the direct discharge of sewage damages the ecological environment around the sewage plant, and also greatly reduces the efficiency of water treatment in the sewage plant.
因此亟待提供一种改进的防淹泡系统及方法，能够解决地下式污水厂溢流事故发生时运行效率降低、环境污染较大的技术问题。Therefore, there is an urgent need to provide an improved anti-flooding system and method that can solve the technical problems of reduced operating efficiency and severe environmental pollution when an overflow accident occurs in an underground sewage treatment plant.
发明内容Summary of the invention
本发明旨在提供一种防淹泡系统及方法，其能够解决上述技术问题。The present invention aims to provide an anti-flooding system and method, which can solve the above technical problems.
根据本发明的一个方面，提供了一种防淹泡系统，用于地下式污水处理厂，包括：预处理构筑物、水处理构筑物以及末端提升构筑物，在污水高于溢流口的情况下，经由该溢流口将该污水排出；溢流泵池，用于容纳所排出的污水，并在第四液位计的液位数据(H4)达到该溢流泵池的最高值时，启动溢流泵；排溢管线，连接至该溢流泵，用于根据第二流量计的流量数据(Q2)，调节第一电动阀和第二电动阀的开闭。According to one aspect of the present invention, there is provided an anti-flooding system for an underground sewage treatment plant, comprising: a pretreatment structure, a water treatment structure and a terminal lifting structure, through which the sewage is discharged when the sewage is higher than an overflow port; an overflow pump tank, for accommodating the discharged sewage and starting the overflow pump when the liquid level data (H4) of the fourth liquid level meter reaches the highest value of the overflow pump tank; and an overflow pipeline, connected to the overflow pump, for adjusting the opening and closing of the first electric valve and the second electric valve according to the flow data (Q2) of the second flow meter.
优选地，在该流量数据(Q2)指示溢流总流量不超过污水厂的剩余处理能力情况下，开启该第一电动阀，关闭该第二电动阀，使得溢流污水流入该预处理构筑物；在该流量数据(Q2)指示该溢流总流量超过污水厂的剩余处理能力情况下，关闭该第一电动阀，开启该第二电动阀，使得该溢流污水排至该污水厂外。Preferably, when the flow data (Q2) indicates that the total overflow flow does not exceed the remaining treatment capacity of the sewage treatment plant, the first electric valve is opened and the second electric valve is closed to allow the overflow sewage to flow into the pretreatment structure; when the flow data (Q2) indicates that the total overflow flow exceeds the remaining treatment capacity of the sewage treatment plant, the first electric valve is closed and the second electric valve is opened to allow the overflow sewage to be discharged outside the sewage treatment plant.
优选地，该防淹泡系统还包括：液位调节系统，连接于该预处理构筑物的进水口，用于根据该水处理构筑物的第三液位计的液位数据(H3)和第一流量计的流量数据(Q1)，调节该进水口的进水量。Preferably, the anti-flooding system also includes: a liquid level regulating system connected to the water inlet of the pretreatment structure, for regulating the water inlet volume of the water inlet according to the liquid level data (H3) of the third liquid level meter and the flow data (Q1) of the first flow meter of the water treatment structure.
优选地，该液位调节系统包括：调节阀，用于在进水泵站的第二液位计的液位数据(H2)高于安全水位的情况下，通过减小开度的方式调节该进水量；提升泵，用于在该液位数据(H2)不高于该安全水位的情况下，通过变频调节或调整运行水泵数量的方式调节该进水量。Preferably, the liquid level regulation system includes: a regulating valve, which is used to adjust the water intake by reducing the opening when the liquid level data (H2) of the second liquid level gauge of the water intake pump station is higher than the safe water level; and a lifting pump, which is used to adjust the water intake by frequency conversion regulation or adjusting the number of running water pumps when the liquid level data (H2) is not higher than the safe water level.
优选地，该液位调节系统还根据排涝管线的第三流量计数据(Q3)调节该进水量。Preferably, the liquid level regulating system also regulates the water intake according to the third flow meter data (Q3) of the drainage pipeline.
优选地，该防淹泡系统，还包括：污水泵池，在该污水高于该污水泵池的池顶时，该污水经由进水孔排入排涝泵池；该排涝泵池，在第六液位计的液位数据(H6)升高至与第五液位计的液位数据(H5)大致齐平时，启动排涝泵；排涝管线，连接至该排涝泵，用于根据第三流量计的流量数据(Q3)，调节第三电动阀和第四电动阀的开闭。Preferably, the anti-flooding system also includes: a sewage pump pool, when the sewage is higher than the top of the sewage pump pool, the sewage is discharged into the drainage pump pool through the water inlet hole; the drainage pump pool starts the drainage pump when the liquid level data (H6) of the sixth liquid level gauge rises to be roughly the same as the liquid level data (H5) of the fifth liquid level gauge; a drainage pipeline is connected to the drainage pump, and is used to adjust the opening and closing of the third electric valve and the fourth electric valve according to the flow data (Q3) of the third flow meter.
优选地，在该流量数据(Q3)指示排污总流量不超过污水厂的剩余处理能力情况下，开启该第三电动阀，关闭该第四电动阀，使得排涝污水流入该预处理构筑物；在该流量数据(Q3)指示该排污总流量超过污水厂的剩余处理能力情况下，关闭该第三电动阀，开启该第四电动阀，使得该溢流污水排至该污水厂外。Preferably, when the flow data (Q3) indicates that the total sewage discharge flow does not exceed the remaining treatment capacity of the sewage treatment plant, the third electric valve is opened and the fourth electric valve is closed to allow the drainage sewage to flow into the pretreatment structure; when the flow data (Q3) indicates that the total sewage discharge flow exceeds the remaining treatment capacity of the sewage treatment plant, the third electric valve is closed and the fourth electric valve is opened to allow the overflow sewage to be discharged outside the sewage treatment plant.
优选地，该防淹泡系统还包括速闭阀，位于进水井内，用于在该污水厂停电时切断该进水井向该进水泵站的进水。Preferably, the anti-flooding system also includes a quick-closing valve located in the water inlet well, which is used to cut off the water inlet from the water inlet well to the water inlet pump station when the sewage treatment plant loses power.
根据本发明的另一个方面，提供了一种防淹泡方法，包括以下步骤：预处理构筑物、水处理构筑物以及末端提升构筑物的污水从溢流口排入溢流泵池；监测第四液位计的液位数据(H4)，当该液位数据(H4)达到该溢流泵池的最高值时，溢流泵启动，经由排溢管线将该污水排出；监测第二流量计的流量数据(Q2)，当该流量数据(Q2)指示该溢流泵的溢流能力不超过污水厂的处理能力时，开启第一电动阀，关闭第二电动阀，该污水排入该预处理构筑物。According to another aspect of the present invention, there is provided a method for preventing flooding, comprising the following steps: sewage from a pretreatment structure, a water treatment structure and a terminal lifting structure is discharged from an overflow port into an overflow pump pool; liquid level data (H4) of a fourth liquid level meter is monitored, and when the liquid level data (H4) reaches a maximum value of the overflow pump pool, the overflow pump is started to discharge the sewage through an overflow pipeline; flow data (Q2) of a second flow meter is monitored, and when the flow data (Q2) indicates that the overflow capacity of the overflow pump does not exceed the processing capacity of the sewage treatment plant, the first electric valve is opened, the second electric valve is closed, and the sewage is discharged into the pretreatment structure.
优选地，当该流量数据(Q2)指示该溢流泵的溢流能力超过污水厂的处理能力时，关闭该第一电动阀，开启该第二电动阀，该污水排至该污水厂外。Preferably, when the flow data (Q2) indicates that the overflow capacity of the overflow pump exceeds the treatment capacity of the sewage treatment plant, the first electric valve is closed, the second electric valve is opened, and the sewage is discharged outside the sewage treatment plant.
本发明通过提供一种防淹泡系统及方法，包括：预处理构筑物、水处理构筑物以及末端提升构筑物，在污水高于溢流口的情况下，经由该溢流口将该污水排出；溢流泵池，用于容纳所排出的污水，并在第四液位计的液位数据(H4)达到该溢流泵池的最高值时，启动溢流泵；排溢管线，连接至该溢流泵，用于根据第二流量计的流量数据(Q2)，调节第一电动阀和第二电动阀的开闭。从而根据污水厂的处理能力动态处理溢流污水，在溢流污水较少时，将溢流污水排回处理构筑物中，在溢流污水过多时，将污水排出厂外，解决了现有技术处理溢流污水时污水处理效率降低、环境污染较大的问题。The present invention provides an anti-flooding system and method, including: a pre-treatment structure, a water treatment structure and a terminal lifting structure, when the sewage is higher than the overflow port, the sewage is discharged through the overflow port; an overflow pump pool, used to accommodate the discharged sewage, and when the liquid level data (H4) of the fourth liquid level meter reaches the highest value of the overflow pump pool, the overflow pump is started; an overflow pipeline, connected to the overflow pump, is used to adjust the opening and closing of the first electric valve and the second electric valve according to the flow data (Q2) of the second flow meter. In this way, the overflow sewage is dynamically treated according to the treatment capacity of the sewage treatment plant. When the overflow sewage is less, the overflow sewage is discharged back to the treatment structure, and when the overflow sewage is too much, the sewage is discharged outside the plant, solving the problems of low sewage treatment efficiency and greater environmental pollution when treating overflow sewage in the prior art.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:
图1是根据本发明实施例的一种防淹泡系统及方法的防淹泡系统示意图；FIG1 is a schematic diagram of an anti-flooding system and method according to an embodiment of the present invention;
图2是根据本发明实施例的一种防淹泡系统及方法的溢流处理流程示意图；FIG2 is a schematic diagram of an overflow processing flow of an anti-flooding system and method according to an embodiment of the present invention;
图3是根据本发明实施例的一种防淹泡系统及方法的液位调节流程示意图；3 is a schematic diagram of a liquid level adjustment process of an anti-flooding system and method according to an embodiment of the present invention;
图4是根据本发明实施例的一种防淹泡系统及方法的排涝处理流程示意图；以及FIG4 is a schematic diagram of a drainage process of a flood prevention system and method according to an embodiment of the present invention; and
图5是根据本发明实施例的一种防淹泡系统及方法的应急停电工况速闭阀运行流程示意图。5 is a schematic diagram of the operation flow of a quick-closing valve in an emergency power outage condition of an anti-flooding system and method according to an embodiment of the present invention.
具体实施方式Detailed ways
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本发明。It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
图1和图2分别示出了根据本发明实施例的一种防淹泡系统及方法的防淹泡系统示意图和溢流处理流程示意图。如图所示，该防淹泡系统用于地下式污水处理厂，包括：预处理构筑物、水处理构筑物以及末端提升构筑物，在污水高于溢流口的情况下，经由该溢流口将该污水排出；溢流泵池，用于容纳所排出的污水，并在第四液位计的液位数据(H4)达到该溢流泵池的最高值时，启动溢流泵；排溢管线，连接至该溢流泵，用于根据第二流量计的流量数据(Q2)，调节第一电动阀和第二电动阀的开闭。Figures 1 and 2 respectively show a schematic diagram of an anti-flooding system and an overflow treatment process diagram of an anti-flooding system and method according to an embodiment of the present invention. As shown in the figure, the anti-flooding system is used in an underground sewage treatment plant, and includes: a pretreatment structure, a water treatment structure, and a terminal lifting structure. When the sewage is higher than the overflow port, the sewage is discharged through the overflow port; an overflow pump pool, which is used to accommodate the discharged sewage, and when the liquid level data (H4) of the fourth liquid level meter reaches the highest value of the overflow pump pool, the overflow pump is started; an overflow pipeline, connected to the overflow pump, is used to adjust the opening and closing of the first electric valve and the second electric valve according to the flow data (Q2) of the second flow meter.
根据本发明实施例，在该流量数据(Q2)指示溢流总流量不超过污水厂的剩余处理能力情况下，开启该第一电动阀，关闭该第二电动阀，使得溢流污水流入该预处理构筑物；在该流量数据(Q2)指示该溢流总流量超过污水厂的剩余处理能力情况下，关闭该第一电动阀，开启该第二电动阀，使得该溢流污水排至该污水厂外。上述污水厂的剩余处理能力即污水厂在处理进水段的进水流量之外，还能够处理的溢流污水的总流量。According to an embodiment of the present invention, when the flow data (Q2) indicates that the total overflow flow does not exceed the remaining treatment capacity of the sewage treatment plant, the first electric valve is opened and the second electric valve is closed, so that the overflow sewage flows into the pretreatment structure; when the flow data (Q2) indicates that the total overflow flow exceeds the remaining treatment capacity of the sewage treatment plant, the first electric valve is closed and the second electric valve is opened, so that the overflow sewage is discharged outside the sewage treatment plant. The remaining treatment capacity of the sewage treatment plant is the total flow of overflow sewage that the sewage treatment plant can process in addition to the inflow flow of the inflow section.
具体而言，可根据污水厂的排溢预估需求在地下水厂设置1座或多座溢流泵池，溢流泵池侧墙及顶板应达到-1层地面高度。当在地下箱体设置1座溢流泵池时，其容积应满足存储停电时各处理构筑物停止运行后产生的溢流水量，溢流泵池底为地下箱体-3层底板标高，池顶至地下箱体-1层底板标高。Specifically, one or more overflow pump pools can be set up in the underground water plant according to the estimated overflow demand of the sewage plant. The side walls and top plate of the overflow pump pool should reach the ground height of -1 floor. When an overflow pump pool is set up in the underground box, its volume should be enough to store the overflow water generated after the treatment structures stop running during power outages. The bottom of the overflow pump pool is at the elevation of the -3 floor bottom plate of the underground box, and the top of the pool is at the elevation of the -1 floor bottom plate of the underground box.
相关技术中，污水厂设置有一座或多座排溢池，用于承接溢流污水，当溢流事故严重时，排溢池容积不足以容纳排溢污水，需要通过管线将污水排出厂外，但现有技术的该排溢方法会造成周边生态环境的严重污染，也降低污水处理的工作效率。本发明实施例提供一种防淹泡系统，能够根据溢流污水的流量大小，控制溢流污水排入预处理构筑物或排出污水厂外，能够有效降低环境污染问题、提升污水处理工作效率。In the related art, a sewage treatment plant is provided with one or more overflow tanks for receiving overflow sewage. When the overflow accident is serious, the overflow tank volume is insufficient to accommodate the overflow sewage, and the sewage needs to be discharged out of the plant through pipelines. However, the overflow discharge method of the prior art will cause serious pollution to the surrounding ecological environment and reduce the efficiency of sewage treatment. The embodiment of the present invention provides an anti-flooding system, which can control the overflow sewage to be discharged into the pretreatment structure or discharged out of the sewage treatment plant according to the flow rate of the overflow sewage, which can effectively reduce environmental pollution problems and improve the efficiency of sewage treatment.
图1和图3分别示出了根据本发明实施例的一种防淹泡系统及方法的防淹泡系统示意图和液位调节流程示意图。如图所示，该防淹泡系统，该防淹泡系统还包括：液位调节系统，连接于该预处理构筑物的进水口，用于根据该水处理构筑物的第三液位计的液位数据(H3)和第一流量计的流量数据(Q1)，调节该进水口的进水量。Figures 1 and 3 respectively show a schematic diagram of an anti-flooding system and a schematic diagram of a liquid level adjustment process of an anti-flooding system and method according to an embodiment of the present invention. As shown in the figure, the anti-flooding system also includes: a liquid level adjustment system connected to the water inlet of the pretreatment structure, used to adjust the water inlet of the water inlet according to the liquid level data (H3) of the third liquid level meter of the water treatment structure and the flow data (Q1) of the first flow meter.
根据本发明实施例，该液位调节系统包括：调节阀，用于在进水泵站的第二液位计的液位数据(H2)高于安全水位的情况下，通过减小开度的方式调节该进水量；提升泵，用于在该液位数据(H2)不高于该安全水位的情况下，通过变频调节或调整运行水泵数量的方式调节该进水量。According to an embodiment of the present invention, the liquid level regulation system includes: a regulating valve, which is used to adjust the water intake by reducing the opening when the liquid level data (H2) of the second liquid level gauge of the water intake pump station is higher than the safe water level; and a lifting pump, which is used to adjust the water intake by frequency conversion regulation or adjusting the number of running water pumps when the liquid level data (H2) is not higher than the safe water level.
根据本发明实施例，该液位调节系统还根据排涝管线的第三流量计数据(Q3)调节该进水量。According to an embodiment of the present invention, the liquid level regulating system further regulates the water intake according to the third flow meter data (Q3) of the drainage pipeline.
具体而言，通过调节阀及提升泵的相互调节，可以实现超量进水时，也能将进水段的运行液位控制在安全区间。Specifically, through the mutual adjustment of the regulating valve and the lifting pump, the operating liquid level of the water inlet section can be controlled within a safe range even when there is excess water inflow.
相关技术中，防淹泡系统中的进水液位调节取决于进水段的液位或流量变化，难以反映水溢流系统或排涝系统的运行状况，导致进水液位调节迟滞于溢流事故的产生和加剧，影响防淹泡系统的工作效率。本发明实施例提供一种防淹泡系统，通过溢流处理以及排涝处理的状态，动态调整进水液位调节的具体方式，解决了进水液位调节迟滞的技术问题。In the related art, the water inlet level adjustment in the anti-flooding system depends on the change of the liquid level or flow rate of the water inlet section, which is difficult to reflect the operating conditions of the water overflow system or the drainage system, resulting in the water inlet level adjustment being delayed in the occurrence and aggravation of the overflow accident, affecting the working efficiency of the anti-flooding system. The embodiment of the present invention provides an anti-flooding system, which dynamically adjusts the specific method of water inlet level adjustment according to the state of overflow processing and drainage processing, thereby solving the technical problem of water inlet level adjustment hysteresis.
图1和图4分别示出了根据本发明实施例的一种防淹泡系统及方法的防淹泡系统示意图和排涝处理流程示意图。如图所示，该防淹泡系统，还包括：污水泵池，在该污水高于该污水泵池的池顶时，该污水经由进水孔排入排涝泵池；该排涝泵池，在第六液位计的液位数据(H6)升高至与第五液位计的液位数据(H5)大致齐平时，启动排涝泵；排涝管线，连接至该排涝泵，用于根据第三流量计的流量数据(Q3)，调节第三电动阀和第四电动阀的开闭。Figures 1 and 4 respectively show a schematic diagram of an anti-flooding system and a schematic diagram of a drainage process of an anti-flooding system and method according to an embodiment of the present invention. As shown in the figure, the anti-flooding system also includes: a sewage pump pool, when the sewage is higher than the top of the sewage pump pool, the sewage is discharged into the drainage pump pool through the water inlet hole; the drainage pump pool starts the drainage pump when the liquid level data (H6) of the sixth liquid level meter rises to be roughly the same as the liquid level data (H5) of the fifth liquid level meter; the drainage pipeline is connected to the drainage pump, and is used to adjust the opening and closing of the third electric valve and the fourth electric valve according to the flow data (Q3) of the third flow meter.
根据本发明实施例，在该流量数据(Q3)指示排污总流量不超过污水厂的剩余处理能力情况下，开启该第三电动阀，关闭该第四电动阀，使得排涝污水流入该预处理构筑物；在该流量数据(Q3)指示该排污总流量超过污水厂的剩余处理能力情况下，关闭该第三电动阀，开启该第四电动阀，使得该溢流污水排至该污水厂外。上述污水厂的剩余处理能力即污水厂在处理进水段的进水流量之外，还能够处理的排涝污水的总流量。According to an embodiment of the present invention, when the flow data (Q3) indicates that the total sewage flow does not exceed the remaining treatment capacity of the sewage treatment plant, the third electric valve is opened and the fourth electric valve is closed, so that the flood-draining sewage flows into the pre-treatment structure; when the flow data (Q3) indicates that the total sewage flow exceeds the remaining treatment capacity of the sewage treatment plant, the third electric valve is closed and the fourth electric valve is opened, so that the overflow sewage is discharged outside the sewage treatment plant. The remaining treatment capacity of the sewage treatment plant is the total flow of flood-draining sewage that the sewage treatment plant can process in addition to the influent flow of the influent section.
具体而言，污水泵池和排涝泵池，可根据污水厂的排涝预估情况设置1座或多座，污水泵池的进水孔尺寸应满足污水泵的流量要求，污水泵池的进水孔高程应低于地下污水厂管廊最低点；排涝泵池的进水孔尺寸应满足排涝泵流量要求，排涝泵池的进水孔高程应高于管廊地面一定距离。当位于排涝泵池、污水泵池的第六、第五液位计发现溢流情况时，通知运行人员采取应对措施，超过安全液位后排涝泵及应急通风系统自动运行；污水泵出水管接入预处理系统，排涝泵出水管通过第三流量计和第三、第四电动阀门，可以根据排涝流量将排涝污水排放至预处理构筑物或厂外污水管线。Specifically, one or more sewage pump pools and drainage pump pools can be set up according to the estimated drainage situation of the sewage treatment plant. The size of the sewage pump pool's water inlet hole should meet the flow requirements of the sewage pump, and the elevation of the sewage pump pool's water inlet hole should be lower than the lowest point of the underground sewage treatment plant's pipe gallery; the size of the drainage pump pool's water inlet hole should meet the drainage pump's flow requirements, and the elevation of the drainage pump pool's water inlet hole should be higher than the pipe gallery's ground by a certain distance. When the sixth and fifth liquid level gauges located in the drainage pump pool and sewage pump pool find overflow, notify the operating personnel to take countermeasures. After exceeding the safe liquid level, the drainage pump and emergency ventilation system will automatically operate; the sewage pump outlet pipe is connected to the pretreatment system, and the drainage pump outlet pipe passes through the third flow meter and the third and fourth electric valves, and can discharge the drainage sewage to the pretreatment structure or the sewage pipeline outside the plant according to the drainage flow.
相关技术中，污水厂设置有一座或多座排涝池，用于承接超出污水池容积的污水，当排涝污水量较大时，排涝池容积不足以容纳污水，需要通过管线将污水排出厂外，但现有技术的该排涝方法会造成周边生态环境的严重污染，也降低污水处理的工作效率。本发明实施例提供一种防淹泡系统，能够根据排涝污水的流量大小，控制该污水排入预处理构筑物或排出污水厂外，能够有效降低环境污染问题、提升污水处理工作效率。In the related art, a sewage treatment plant is provided with one or more drainage pools for receiving sewage that exceeds the capacity of the sewage pool. When the amount of drainage sewage is large, the volume of the drainage pool is insufficient to accommodate the sewage, and the sewage needs to be discharged out of the plant through pipelines. However, the drainage method of the prior art will cause serious pollution to the surrounding ecological environment and reduce the efficiency of sewage treatment. The embodiment of the present invention provides an anti-flooding system, which can control the sewage to be discharged into a pretreatment structure or discharged out of the sewage treatment plant according to the flow rate of the drainage sewage, which can effectively reduce environmental pollution problems and improve the efficiency of sewage treatment.
图1和图5分别示出了根据本发明实施例的一种防淹泡系统及方法的防淹泡系统示意图和应急停电工况速闭阀运行流程示意图。如图所示，该防淹泡系统还包括速闭阀，位于进水井内，用于在该污水厂停电时切断该进水井向该进水泵站的进水。Figures 1 and 5 respectively show a schematic diagram of an anti-flooding system and a schematic diagram of an operation flow of a quick-closing valve in an emergency power outage condition according to an anti-flooding system and method according to an embodiment of the present invention. As shown in the figure, the anti-flooding system also includes a quick-closing valve located in the water inlet well, which is used to cut off the water inflow from the water inlet well to the water inlet pump station when the sewage treatment plant is out of power.
具体而言，设置在进水井内的该速闭闸应为正向受压一侧，进水井顶板高于地下污水厂周边地面；进水泵房的超高容积满足速闭闸关闭时间内的最大进水流量，使得污水厂在突然停电时，不会发生淹泡事故。Specifically, the rapid closing gate installed in the water inlet well should be on the positive pressure side, and the top plate of the water inlet well should be higher than the ground around the underground sewage treatment plant; the super-high volume of the water inlet pump room meets the maximum water inlet flow rate within the closing time of the rapid closing gate, so that the sewage treatment plant will not suffer flooding accidents in the event of a sudden power outage.
根据本发明的另一个实施例，提供了一种防淹泡方法，包括以下步骤：预处理构筑物、水处理构筑物以及末端提升构筑物的污水从溢流口排入溢流泵池；监测第四液位计的液位数据(H4)，当该液位数据(H4)达到该溢流泵池的最高值时，溢流泵启动，经由排溢管线将该污水排出；监测第二流量计的流量数据(Q2)，当该流量数据(Q2)指示该溢流泵的溢流能力不超过污水厂的处理能力时，开启第一电动阀，关闭第二电动阀，该污水排入该预处理构筑物。According to another embodiment of the present invention, there is provided an anti-flooding method, comprising the following steps: sewage from a pretreatment structure, a water treatment structure and a terminal lifting structure is discharged from an overflow port into an overflow pump pool; liquid level data (H4) of a fourth liquid level meter is monitored, and when the liquid level data (H4) reaches the highest value of the overflow pump pool, the overflow pump is started to discharge the sewage through the overflow pipeline; flow data (Q2) of a second flow meter is monitored, and when the flow data (Q2) indicates that the overflow capacity of the overflow pump does not exceed the processing capacity of the sewage treatment plant, the first electric valve is opened, the second electric valve is closed, and the sewage is discharged into the pretreatment structure.
根据本发明实施例，当该流量数据(Q2)指示该溢流泵的溢流能力超过污水厂的处理能力时，关闭该第一电动阀，开启该第二电动阀，该污水排至该污水厂外。According to an embodiment of the present invention, when the flow data (Q2) indicates that the overflow capacity of the overflow pump exceeds the treatment capacity of the sewage treatment plant, the first electric valve is closed, the second electric valve is opened, and the sewage is discharged outside the sewage treatment plant.
本发明具有如下效果：The present invention has the following effects:
(1)使用范围广泛，可以广泛用于地下式、半地下式的给水厂、污水厂、再生水厂；(1) It has a wide range of uses and can be widely used in underground and semi-underground water supply plants, sewage plants, and recycled water plants;
(2)可以实现全自动运行，提高地下水厂的安全运行保障度；(2) It can realize fully automatic operation and improve the safety operation guarantee of the groundwater plant;
(3)可以实现进水段、各工艺处理段、地下空间各个场所全覆盖；(3) It can achieve full coverage of the water intake section, various process treatment sections, and various underground spaces;
(4)可以实现对超量进水、各种事故溢流、管廊跑冒、停电等多种事故工况的处理。(4) It can handle a variety of accident conditions such as excessive water inflow, various accident overflows, pipeline corridor leakage, power outages, etc.
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
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