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Sponge City Monitoring Solution

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Environmental Monitoring Solutions
Urban waterlogging refers to the phenomenon that precipitation exceeds the drainage capacity of the city, causing a large amount of water accumulation in the city. Urban waterlogging is more common in China, mostly in coastal cities with low terrain and inland cities with large rainfall.
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Product Description
Background

Urban waterlogging refers to the phenomenon of a large amount of water accumulation in a city caused by precipitation exceeding the drainage capacity of the city. Urban waterlogging is more common in China, mostly in coastal cities with low terrain and inland cities with large rainfall. There are two main reasons for the occurrence of urban waterlogging:
(1) The underlying surface of the city is mostly cement, asphalt, masonry and other materials, which are harder, denser, dry and impermeable than woodland, farmland, and ponds in the natural environment. It fundamentally changes the characteristics of the city's water cycle, resulting in a great increase in surface runoff under the same rainfall conditions.
(2) The drainage pipe network in some cities in China is not perfect, the drainage pipe network is aging, and the drainage standard is low, which causes poor drainage and leads to urban waterlogging.

Relevant Policies

On April 8, 2022, the General Office of the Ministry of Finance, the General Office of the Ministry of Housing and Urban-Rural Development, and the General Office of the Ministry of Water Resources jointly issued a notice on carrying out the second batch of systematic promotion of sponge city construction demonstration work in the 14th Five-Year Plan.
On April 18, 2022, the General Office of the Ministry of Housing and Urban-Rural Development issued a notice of the General Office of the Ministry of Housing and Urban-Rural Development on further clarifying the relevant requirements for sponge city construction.
In April 2023, the Ministry of Finance, the Ministry of Housing and Urban-Rural Development, and the Ministry of Water Resources issued a notice on carrying out the third batch of systematic promotion of sponge city construction demonstration work in the 14th Five-Year Plan.On May 2, 2024, the General Office of the Ministry of Housing and Urban-Rural Development issued a notice on the General Office of the Ministry of Housing and Urban-Rural Development on printing and distributing a list of replicable policies and mechanisms for sponge city construction.

Sponge City Monitoring Difficulties

From 1993 to 2022, the length of drainage pipelines in China has increased by nearly 11 times, and the monitoring points of pipe networks have increased significantly, which also puts forward higher requirements for the timeliness of monitoring data acquisition.
At present, there are still many problems in online monitoring of sponge cities:
(1) Monitoring in most areas is limited to a few indicators such as flow rate and liquid level;
(2) The drainage behavior is complex and diverse, there are many external factors, the operation status of the upstream and downstream pipe networks changes greatly, there are many problem points, most monitoring schemes are not systematic, and the monitoring hardware equipment is not comprehensive;
(3) The reliability and data accuracy of online drainage monitoring technology are insufficient.

Pbes Sponge City Monitoring Solution

Monitoring plan:
For sponge city monitoring, Probest has designed a complete set of monitoring solutions, including equipment perception terminal, data transmission terminal and smart water platform. The equipment sensing terminal is composed of high-precision water quality sensors, which can accurately measure various water quality parameters such as liquid level, flow rate, COD, and ammonia nitrogen. Data collection and transmission can be achieved through self-powered measurement and control terminals, and the IP68 protection level can realize long-term monitoring of drainage pipe networks. The monitoring data is processed by the smart water platform, and each pipe network node is analyzed to achieve early warning of water level and water quality, providing a reliable basis for optimizing drainage.

 

Solution advantages

 

  • High humidity, strong corrosion, long-term stable operation

    The measurement and control terminal adopts a fully enclosed design to meet the requirements of waterproof, anti-soaking and waterproof steam, and the whole machine realizes IP68 protection, with aviation connectors and digital sensors (IP68 protection level), which completely solves the problems of water ingress and corrosion of the equipment.

  • More than a dozen detection indicators are selected, and the detection data is accurate and reliable

    It can monitor parameters such as pH, conductivity, ORP, COD, ammonia nitrogen, nitrate nitrogen, suspended solids, ammonia nitrogen, chloride ions, fluorine ions, etc. The sensor adopts environmental protection certification. The most suitable detection principle is adopted for different parameters, and each water quality sensor has the corresponding environmental protection certification.

  • Enhance signal transmission, real-time and stable data

    Data transmission can be NB-loT or 4G, with special customized antennas, it can achieve stable transmission in a highly shielded environment, and has the function of confirming receiving/retransmitting to ensure the stability of data transmission

  • Safe lithium sub-battery, ultra-large capacity, ultra-long battery life

    It adopts 14.4V, 114AH lithium sub-battery, which slows down voltage decay, stable power supply, and is much safer than conventional lithium batteries. The measurement and control terminals adopt independent channel design, each operating independently, reducing power consumption, and ultra-long battery life, such as using radar and hydrostatic level gauge to measure on site, collecting for 15 minutes/time, uploading for 2 hours/time, and can be used for more than 3 years
Significance of Monitoring Indicators

  • Level and flow

    On the one hand, it can reflect the drainage load of the pipe network, and on the other hand, it can quickly understand the sewage inflow at the top of the pipe network and the siltation of the lower drainage pipe through the flow rate and liquid level, so as to play an important guiding role in the drainage work

  • pH and conductivity

    pH and conductivity are the two most basic indicators that reflect water quality, and through the changes of pH and conductivity, the changes in drainage water quality can be judged, so as to play a certain regulatory role in the illegal discharge and leakage

  • COD

    COD (chemical oxygen demand) refers to the oxygen equivalent consumed by reducing substances and organic matter in oxidized water, and most of the COD at the end of the pipe network is low.

  • Ammonia nitrogen

    Ammonia nitrogen refers to the compound nitrogen existing in ammonia or ammonium ions in the water, and by monitoring the ammonia nitrogen in the drainage pipe network, ammonia nitrogen emissions can be effectively controlled, avoiding eutrophication of water bodies, and at the same time preventing related enterprises from secretly discharging and leaking discharges

  • SS

    SS (suspended solids) refers to solid particles with a diameter between 0.1 μm and 100 μm in water, and the suspended solids mainly come from domestic sewage and industrial wastewater. By monitoring the SS of the drainage pipe network, abnormal drainage in the pipe network can be detected in time, and maintenance and treatment can be carried out in a timely manner.
  •  
Project Cases

Probest helps a city build a breathing sponge city

 

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Sponge City Monitoring Solution

Urban waterlogging refers to the phenomenon that precipitation exceeds the drainage capacity of the city, causing a large amount of water accumulation in the city. Urban waterlogging is more common in China, mostly in coastal cities with low terrain and inland cities with large rainfall.
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Environmental Monitoring Solutions
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Descrição de produto
Background

Urban waterlogging refers to the phenomenon of a large amount of water accumulation in a city caused by precipitation exceeding the drainage capacity of the city. Urban waterlogging is more common in China, mostly in coastal cities with low terrain and inland cities with large rainfall. There are two main reasons for the occurrence of urban waterlogging:
(1) The underlying surface of the city is mostly cement, asphalt, masonry and other materials, which are harder, denser, dry and impermeable than woodland, farmland, and ponds in the natural environment. It fundamentally changes the characteristics of the city's water cycle, resulting in a great increase in surface runoff under the same rainfall conditions.
(2) The drainage pipe network in some cities in China is not perfect, the drainage pipe network is aging, and the drainage standard is low, which causes poor drainage and leads to urban waterlogging.

Relevant Policies

On April 8, 2022, the General Office of the Ministry of Finance, the General Office of the Ministry of Housing and Urban-Rural Development, and the General Office of the Ministry of Water Resources jointly issued a notice on carrying out the second batch of systematic promotion of sponge city construction demonstration work in the 14th Five-Year Plan.
On April 18, 2022, the General Office of the Ministry of Housing and Urban-Rural Development issued a notice of the General Office of the Ministry of Housing and Urban-Rural Development on further clarifying the relevant requirements for sponge city construction.
In April 2023, the Ministry of Finance, the Ministry of Housing and Urban-Rural Development, and the Ministry of Water Resources issued a notice on carrying out the third batch of systematic promotion of sponge city construction demonstration work in the 14th Five-Year Plan.On May 2, 2024, the General Office of the Ministry of Housing and Urban-Rural Development issued a notice on the General Office of the Ministry of Housing and Urban-Rural Development on printing and distributing a list of replicable policies and mechanisms for sponge city construction.

Sponge City Monitoring Difficulties

From 1993 to 2022, the length of drainage pipelines in China has increased by nearly 11 times, and the monitoring points of pipe networks have increased significantly, which also puts forward higher requirements for the timeliness of monitoring data acquisition.
At present, there are still many problems in online monitoring of sponge cities:
(1) Monitoring in most areas is limited to a few indicators such as flow rate and liquid level;
(2) The drainage behavior is complex and diverse, there are many external factors, the operation status of the upstream and downstream pipe networks changes greatly, there are many problem points, most monitoring schemes are not systematic, and the monitoring hardware equipment is not comprehensive;
(3) The reliability and data accuracy of online drainage monitoring technology are insufficient.

Pbes Sponge City Monitoring Solution

Monitoring plan:
For sponge city monitoring, Probest has designed a complete set of monitoring solutions, including equipment perception terminal, data transmission terminal and smart water platform. The equipment sensing terminal is composed of high-precision water quality sensors, which can accurately measure various water quality parameters such as liquid level, flow rate, COD, and ammonia nitrogen. Data collection and transmission can be achieved through self-powered measurement and control terminals, and the IP68 protection level can realize long-term monitoring of drainage pipe networks. The monitoring data is processed by the smart water platform, and each pipe network node is analyzed to achieve early warning of water level and water quality, providing a reliable basis for optimizing drainage.

 

Solution advantages

 

  • High humidity, strong corrosion, long-term stable operation

    The measurement and control terminal adopts a fully enclosed design to meet the requirements of waterproof, anti-soaking and waterproof steam, and the whole machine realizes IP68 protection, with aviation connectors and digital sensors (IP68 protection level), which completely solves the problems of water ingress and corrosion of the equipment.

  • More than a dozen detection indicators are selected, and the detection data is accurate and reliable

    It can monitor parameters such as pH, conductivity, ORP, COD, ammonia nitrogen, nitrate nitrogen, suspended solids, ammonia nitrogen, chloride ions, fluorine ions, etc. The sensor adopts environmental protection certification. The most suitable detection principle is adopted for different parameters, and each water quality sensor has the corresponding environmental protection certification.

  • Enhance signal transmission, real-time and stable data

    Data transmission can be NB-loT or 4G, with special customized antennas, it can achieve stable transmission in a highly shielded environment, and has the function of confirming receiving/retransmitting to ensure the stability of data transmission

  • Safe lithium sub-battery, ultra-large capacity, ultra-long battery life

    It adopts 14.4V, 114AH lithium sub-battery, which slows down voltage decay, stable power supply, and is much safer than conventional lithium batteries. The measurement and control terminals adopt independent channel design, each operating independently, reducing power consumption, and ultra-long battery life, such as using radar and hydrostatic level gauge to measure on site, collecting for 15 minutes/time, uploading for 2 hours/time, and can be used for more than 3 years
Significance of Monitoring Indicators

  • Level and flow

    On the one hand, it can reflect the drainage load of the pipe network, and on the other hand, it can quickly understand the sewage inflow at the top of the pipe network and the siltation of the lower drainage pipe through the flow rate and liquid level, so as to play an important guiding role in the drainage work

  • pH and conductivity

    pH and conductivity are the two most basic indicators that reflect water quality, and through the changes of pH and conductivity, the changes in drainage water quality can be judged, so as to play a certain regulatory role in the illegal discharge and leakage

  • COD

    COD (chemical oxygen demand) refers to the oxygen equivalent consumed by reducing substances and organic matter in oxidized water, and most of the COD at the end of the pipe network is low.

  • Ammonia nitrogen

    Ammonia nitrogen refers to the compound nitrogen existing in ammonia or ammonium ions in the water, and by monitoring the ammonia nitrogen in the drainage pipe network, ammonia nitrogen emissions can be effectively controlled, avoiding eutrophication of water bodies, and at the same time preventing related enterprises from secretly discharging and leaking discharges

  • SS

    SS (suspended solids) refers to solid particles with a diameter between 0.1 μm and 100 μm in water, and the suspended solids mainly come from domestic sewage and industrial wastewater. By monitoring the SS of the drainage pipe network, abnormal drainage in the pipe network can be detected in time, and maintenance and treatment can be carried out in a timely manner.
  •  
Project Cases

Probest helps a city build a breathing sponge city

 

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