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1. Flow rate of car unloading crane pipe
The flow rate of car unloading crane pipe mainly depends on the diameter of the crane pipe, the characteristics of the medium, and the operating requirements. The conventional range may vary depending on the diameter, and it needs to be matched according to the actual working conditions.
1. Core influencing factors: 1) Different diameters of crane tubes result in different flow ranges. Like DN50 liquid-phase crane tube, the conventional flow rate is about 20-30m ³/h, suitable for unloading LPG and other tank trucks; DN80 liquid-phase crane tube, with a sliding pure flow rate that can be increased to 50-70m ³/h, is used in some industrial scenarios; The DN100 liquid-phase crane tube can achieve a flow rate of 60-110m ³/h. For example, in jet fuel unloading projects, the single tube flow rate of the DN100 crane tube is 60m ³/h, and the lower mounted crane tube can reach 85m ³/h. 2) The characteristics of the medium can also affect the flow rate. Flammable/explosive media, such as LPG, should be controlled with a flow rate of ≤ 3m/s to prevent static electricity risks. The flow rate of atmospheric pressure liquids can be relaxed to 3-4m/s. 3) The liquid phase interface of some tanker trucks is fixed at DN50 and needs to be matched with the corresponding crane pipe diameter. If you want to increase the flow rate, you can use dual interface parallel unloading, and upgrade the pipe diameter to DN80 after merging.
II. Industry Standards and Application Cases 1) In conventional design specifications, flow calculation should be combined with "pipe diameter x economic flow velocity".
. The liquid phase crane tube flow rate usually does not exceed 3m/s, and the ga
III. Selection precautions: 1) Stainless steel material should be selected for corrosive media, and PN16/PN25 grade should be preferred for operating pressure.
. 2) To install static oil spill protectors, flow meters, etc., explosion-proof design is required for some flammable and explosive scenarios, such as Exd IIB T4 level. 3) Double interface unloading requires consideration of tank truck parking space to prevent pipeline interference.2. Which is a good flowmeter?
Hello, KNKE, an American imported flowmeter manufacturer, is pleased to answer your question. There are many manufacturers of flow meters, and this answer recommends the imported flow meters from the American brand KNKE. The reasons are as follows:
1. Multi parameter measurement, while measuring the radial flow, can simultaneously obtain the volume flow source, density, and viscosity value.
2、 Not sensitive to factors such as pressure, temperature, density, and dryness, as well as the distribution of flow velocity. KNKE imported flow meters from Konko are easy to install, with sensor tubes of various sizes being f
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