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1、 Difference in material selection The plastic manhole for rainwater needs the function of dust and mud, because the rainwater will wash the sand on the ground into the manhole, and if there is no dust and mud pool, it is easy to block. Due to light pollution of rainwater, it can be directly discharged into urban rivers after being collected by rainwater plastic inspection wells. After natural sedimentation, it can be used as natural municipal water for landscape water and road sewage spraying
Published on: August 26, 2022 Clicks: 16
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1. The distance between the plastic inspection well and the rainwater inlet shall be 20~50m. The number of connecting pipes connected in series shall not exceed 3. The length of the connecting pipe at the rainwater inlet shall not exceed 25m. 2. When the longitudinal slope of the road is greater than 0.02, the gutter inlet spacing can be greater than 50m, and its type, number and layout shall be determined according to the specific situation and calculation. 3. Gutter inlet
Published on: August 11, 2022 Clicks: 14
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1. It is strictly prohibited to put flammable and explosive materials such as oil or chemicals around the inspection well; 2. Whether placed in the factory warehouse or in the shed on the construction site, the site should be equipped with fire-fighting equipment or fire prevention measures; 3. The inspection shaft should be placed in a place with good ventilation performance and away from open flames and heat sources; 4. When the product is temporarily placed in the open field according to the construction needs,
Published on: August 11, 2022 Clicks: 13
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When selecting nodular cast iron manhole covers, the hardness of the products is a concern of users. How to distinguish the hardness of the products when selecting nodular cast iron manhole covers in the market? What are the factors affecting the hardness of nodular cast iron manhole covers? Next, let's take a look. The ability of small volume deformation or fracture of the surface of nodular cast iron manhole cover, and the physics of the hardness value of the original data of the resin manhole cover
Published on: July 29, 2022 Clicks: 13
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Before installation: carefully check whether there is any damage in the process of loading, unloading, transportation and stacking, and timely remove the damaged, cracked, deformed and other defective pipes. The flexible joint sealed with flexible packing should be used for the connection between the manhole and the pipeline, and the specific structure should be in accordance with the design requirements. Attention shall be paid to trench excavation and foundation construction: 1. The clear width of trench bottom should be based on the outer diameter of HDPE double wall corrugated pipe
Published on: July 29, 2022 Clicks: 14
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Since ancient times, floods have been threatening our lives. When floods occurred in ancient times, hundreds of thousands or even millions of people were forced to leave their homes, many of whom lost their lives and caused incalculable losses to individuals and the country. Even today, with advanced science and technology, people are powerless to deal with floods. If you want to deal with the flood, you can only prevent it from forming scale
Published on: July 29, 2022 Clicks: 13
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1. Before installation, the well cover foundation shall be neat and firm, and the inner diameter, length and width shall be determined according to the size of the well cover. 2. When installing the composite well cover on the cement pavement, pay attention to the use of concrete pouring on the masonry of the wellhead, and establish a concrete protective ring around the periphery for maintenance for about 10 days. 3. When installing the composite well cover on the asphalt pavement, attention should be paid to avoiding direct mechanical construction
Published on: June 17, 2022 Clicks: 41
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External influence of water pipe system The pipe system ensures that the flowing water is not affected by pollutants and other harmful substances, but; Some hazards come from the pipeline itself. For example, in the pipeline made of metal pipes, when water and oxygen interact with steel or iron, they will form corrosion and rust, thus polluting the water supply. In serious cases, the damage will weaken the pipeline structure and lead to pipeline rupture
Published on: June 17, 2022 Clicks: 41
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1、 The difference in material selection: rainwater plastic manhole needs the function of sedimentation, because rainwater will wash the sediment on the ground into the manhole, and if there is no sedimentation tank, it is easy to block. Due to light pollution of rainwater, it can be directly discharged into urban rivers after being collected by rainwater plastic inspection wells. After natural sedimentation, it can be used as natural municipal water for landscape water and spraying roads. Plastic manhole for sewage
Published on: June 17, 2022 Clicks: 39
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PP rainwater storage module is a part of rainwater utilization system software, which can reasonably collect and store rainwater; The rainwater resources collected according to the rainwater module can be used to clean toilets, spray the ground, irrigate grass, add water to garden waterscape, and even to cool the circulating water and fire water for the circulating system, which can alleviate the situation of water shortage in large cities at this stage
Published on: June 2, 2022 Clicks: 37
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1、 At present, concrete manhole types are commonly used in China. (a) The utility model is characterized in that: a horseshoe shaped necking ring is used; Combination of upper and lower chambers; Independent bottom plate of lower chamber; A round hole is opened on the lower well chamber to connect with the pipeline. (b) Features
Published on: June 2, 2022 Clicks: 37
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Rainwater collection system, sedimentation and filtration integrated device process introduction. In the whole rainwater collection system, rainwater sedimentation and filtration is set in the water purification device at the front end of the rainwater collection and storage tank. The rainwater disposed by this process can not only prevent sundries from entering the storage pond, but also reduce the turbidity of rainwater, filter and precipitate sundries. It can also use rainwater gravity flow to realize backwashing and discharge (or return
Published on: 2022-05-27 Number of hits: 72
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Many friends have a question about the plastic manhole for rainwater and sewage. Nowadays, the plastic manhole has replaced the brick manhole because it is lighter than the brick manhole, and the drainage effect is very good. Now, with the deepening of urbanization in China and the continuous implementation of urban rainwater and sewage diversion transformation, Urban underground drainage pipe network
Published on: 2022-05-27 Number of hits: 60
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Plastic manholes are used more and more in today's construction projects. According to statistics, 85% of building drainage pipes, 80% of building rainwater drainage pipes and 50% of urban drainage pipes are plastic pipes in new construction, reconstruction and expansion projects nationwide, Is very popular
Published on: 2022-05-17 Number of hits: 118
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With the increasing shortage of water resources, rainwater has become an increasingly important available fresh water resource. The lack of utilization of rainwater resources can greatly save water resources, and has significant effects on improving the ecological environment and reducing the pressure of urban flood control. Rainwater collection system generally includes: collection, discarding, rainwater storage, water quality treatment and rainwater reuse. When the rainwater is clean,
Published on: 2022-05-17 Number of hits: 124
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Precautions before laying steel mesh skeleton plastic composite pipe, steel mesh skeleton plastic composite pipe is generally widely used in chemical engineering and marine engineering, and the use of this composite pipe is more popular. Then, there are some precautions for it before it is put into the pipe. As long as we pay attention to these matters, we can ensure that the next work can be carried out smoothly. below
Published on: 2022-05-07 Number of hits: 24
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The reason why the steel skeleton plastic composite pipe bursts is that the steel skeleton plastic composite pipe is a relatively popular new type of pipe in modern times. It has advanced technology and special materials, so the product performance is very good. In fact, good products are not enough. Our strict construction technology is also required during construction. If the technology is not up to standard, it is easy to cause pipe explosion. Then, cause
Published on: 2022-05-07 Number of hits: 59
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Urban rainwater collection and utilization includes six links: rainwater collection, rainwater filtration, rainwater dumping, rainwater storage, rainwater purification and recycling. In urban construction, attention should be paid to the development of rainwater collection and utilization projects, and the retention and utilization of discharged rainwater can not only increase water resources, but also be a good measure to save water. At the same time, due to the massive recovery and utilization of rainwater, underground rainwater is retained or
Published on: April 27, 2022 Number of hits: 30
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The current situation of the use of plastic drainage inspection wells The plastic drainage exploration wells have been written into the industry standards, and many design units will write some specific instructions in the design instructions, indicating that the plastic drainage exploration wells can be used in the actual work at the design level. However, in the actual application program, because there are obvious shortcomings in the strength and height of the shaft tube structure and quality maintenance plastic well, many
Published on: April 27, 2022 Clicks: 32
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Rainwater collection system refers to the whole process of rainwater recovery and reuse. Rainwater recovery and reuse mainly includes four aspects: initial discarding - filtration - storage - reuse. The completion of these four stages is a whole process of rainwater collection, that is, rainwater collection system. The initial rainwater discarding is in the rainwater collection and utilization system, and the quality of rainwater discarding is directly related to one time
Published on: April 18, 2022 Clicks: 53
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