The relationship between the amount of water sprayed by the sprinkler and the water flow
Basic knowledge of sprinklers: water flow and tonnage are the key points
[Automobile knowledge] There are sprinklers from 2 tons to more than 30 tons, but many people do not know how many tonnage sprinklers should be purchased. This article will give you a reference to explain.
Basic knowledge of sprinkler: What is the water flow of sprinkler? Mainly depends on the flow of the sprinkler pump loaded on the vehicle, the number of sprinkler heads, and the throttle of the sprinkler engine.
Each sprinkler is equipped with an on-board sprinkler pump at the bottom of the tank. The vehicle engine drives the power take-off, the power take-off drives the drive shaft, and the drive shaft drives the sprinkler pump to work, so that the water in the pipeline is sprayed out under pressure. The flow of the sprinkler pump directly affects the water flow of the sprinkler, and the flow of the pump can be seen from the model of the sprinkler. As for which type of sprinkler pump is used, it needs to be determined according to the volume of the tank body of the sprinkler.
The sprinklers of 5 tons and below are generally equipped with: 65QZ40/50 self-priming sprinkler pump, with a flow rate of 40 cubic meters/hour, that is: 666 liters/minute, which is equivalent to 11.1 liters/second; its head is 50 meters;
Sprinklers of 8 tons and above are generally equipped with: 80QZ60/90 self-priming sprinkler pumps with a flow rate of 60 cubic meters/hour, that is: 1000 liters/minute, which is equivalent to 16.6 liters/second, and its head is 90 meters;
Some sprinkler customers also choose: 65QZ50/110 self-priming sprinkler pump with a flow rate of 50 cubic meters per hour, which is 833 liters per minute, which is equivalent to 13.8 liters per second, and its head is 110 meters.
Seeing this, you may ask: Is there a problem with the flow rate? Isn't it possible to spray a tank of water for 7 or 8 minutes based on this calculation for a 5 ton water truck ! Actually it is not, because the diameter of the water inlet and outlet of the pump is 65mm or 80mm (2.5 inches or 3 inches), but the sprinkler nozzle cannot be so large, so the water flow of the pump does not represent the water flow of the sprinkler unless you connect it externally Fire hoses or pumping pipes for pumping or spraying. Therefore, under normal circumstances, a 5-ton sprinkler can be sprinkled with water for 20-30 minutes at a time. The working speed of a municipal sanitation sprinkler is about 15-20km/h, and a faster one can reach 40km/h. A tank of water can only be sprayed for a distance of about 20km.
The four sprinkler heads that are standard on the sprinkler: three-bend forward, rear sprinkler, duckbill side spray, high-pressure water cannon, each sprinkler has an independent pipeline ball valve to control the opening and closing of the sprinkler. The more the sprinkler head is opened, the greater the water flow, the pressure of the water will be dispersed, and the road flushing effect will be reduced accordingly, which is why some sanitation sprinklers only use a front punch for road watering. But this is a good thing for the greening sprinkler. Plants needn't need too much pressure to water the plants. Installing more sprinklers can alleviate the problem of excessive impact of the water flow and increase the amount of watering. Therefore, the high position of the green sprinkler is usually 2 sprinklers. It is often the case that customers will request 3-4 sprinklers.
In addition, the greater the pressure of the water in the sprinkler pipe, the water flow will naturally increase. The way to increase the water pressure of the sprinkler is to increase the throttle, but for the sanitation road sprinkler during driving, its working speed will generally be limited.
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