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Author: Smartweigh–Multihead Weighter
Now I understand that the flow rate is cold water (flow rate: 7210L/HR), boiling water (flow rate: 1500L/HR), and the pressure of the water is about 3-4KG. I would like to ask how many pipes I need to install? Can describe in detail, thank you! ...Now I understand that the flow rate is cold water (flow rate: 7210L/HR), boiling water (flow rate: 1500L/HR), and the pressure of the water is about 3-4KG, I would like to ask how many pipes I need to install? Can describe in detail, thank you! You can select one or several keywords below to retrieve relevant information. You can also click“Retrieve material”Search all puzzles. Expand all total flow = pipe section X water flow = 0.002827X pipe diameter^2X water flow (cubic/hour)^2 If it must be measured, it is necessary to first assume the water flow, and then according to the specific gravity of water, weightless relative density and pipe diameter. Calculate the Laiduo standard number, and then use the Laylow standard to calculate the resistance coefficient along the way, and check the pipes in the pipeline (such as tees, elbows, gate valves, large and small heads, etc.) to find out the equivalent circuit tube length, Then, the working pressure damage of the main pipeline is calculated from the pressure loss resistance coefficient and the full length of the pipeline (including the length of the equivalent circuit pipe), and the specific water flow is calculated according to Bernoulli, and the specific water flow is calculated again according to the whole process above, until The two are close (iterative trial optimization algorithm).
Therefore, there are very few friends in the specific calculation, most of which are based on the size of the pressure difference to select different water flow, and calculate according to the previous method. In general engineering projects, the working pressure of the tap water pipeline is generally 0.1--0.5MPa, and the water flow in the tap water pipe is 1--3 m/s, usually 1.5 m/s. My follow has been disliked What is your comment on this response? For the evaluation, the water flow of the pipeline is V=4 m/s, the weightless scale is V=40 decimeter/s, and one liter = 1 cubic decimeter, then the total flow of the pipeline is (section multiplied by the water flow) : Note: The total flow can only be measured when the water flow must be given, which is based on 4 m/s.
Weightless said that this response has been listened to by netizens, and my attention has been stepped on. What is your comment on this response? The evaluation is based on 7.2t, which can be used for DN80, and it can be slightly larger. It is not clear what cold water and boiling water mean. If you want to cut smoothly boiled water, the total flow is really small, the pipe of 80 is too large, and the pipe of 25 can be used.
(Originally, 65 tubes should be just right, but 65 tubes are used less in comparison, so 80 tubes will be selected.) There is no detailed calculation process. Usually, it is considered that work experience is determined by management, and then carried forward according to common excel reports. As part of public works projects, temperature, working pressure and viscosity are usually not taken into account and belong to rough calculations, which are not harmful in specific application situations. This response has been listened to by netizens, and my concern has been stepped down. What is your comment on this response? Evaluations are closed.
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