由于混凝土对搅拌筒和溜槽有一定的腐蚀作用，同时为了防止残余混凝土在搅拌筒内凝固，搅拌车卸料后应清洗搅拌筒和溜槽。完成了。下面我们来看看搅拌车水清洗系统的设计和空气系统的原理。
Since the concrete has a certain corrosive effect on the mixing drum and chute, and in order to prevent the residual concrete from solidifying in the mixing drum, the mixing drum and chute shall be cleaned after the mixer truck is unloaded. It's done. Let's take a look at the design of the water cleaning system of the mixer truck and the principle of the air system.
搅拌车净水系统设计
Design of mixer water purification system
自动上料搅拌车水系统主要由压力水箱、水管、球阀、布管等部分组成。打开球阀，将外部水源连接到压力水箱。目前搅拌罐的容积多为450L。当搅拌车卸料后需要清洗时，打开气控箱给水箱充气加压。加压完成后，打开车后排料口附近的球阀，对搅拌车进行点位清洗。
The water system of automatic feeding mixer truck is mainly composed of pressure water tank, water pipe, ball valve, pipe laying, etc. Open the ball valve and connect the external water source to the pressure water tank. At present, the volume of the mixing tank is mostly 450L. When the mixer needs cleaning after unloading, open the air control box to inflate and pressurize the water tank. After the pressurization is completed, open the ball valve near the material opening at the rear of the mixer to carry out point cleaning for the mixer.
搅拌车卸料完成后，溜槽、进料斗和卸料斗上残留一些混凝土，少量混凝土溅洒在车体上。混凝土容易凝固，对钢材有腐蚀作用。如果不及时清理，凝固后很难去除。.
After the unloading of the mixer truck, some concrete remains on the chute, feed hopper and discharge hopper, and a small amount of concrete splashes on the vehicle body. Concrete is easy to set and has corrosive effect on steel. If not cleaned in time, it is difficult to remove after solidification
由于需要清洗的零件较多，搅拌车清洗水路采用多点同时清洗的方式，提高了操作人员的工作效率。净水系统末端有一段一进四出水管，实现水流导流。四个球阀分别控制四个部分的清洗，一个球阀控制的水流可以手持移动，清洗车辆两侧飞溅的混凝土。进行洗车。
Due to the large number of parts to be cleaned, the mixing truck cleaning waterway adopts the method of multi-point simultaneous cleaning, which improves the work efficiency of the operators. There is a section of one inlet and four outlet pipes at the end of the water purification system to realize water diversion. Four ball valves control the cleaning of four parts respectively. The water flow controlled by one ball valve can be moved by hand to clean the splashed concrete on both sides of the vehicle. Wash the car.
搅拌车用气系统原理分享
Principle sharing of mixer gas system
自动上料搅拌车空气系统从底盘气瓶中抽取空气，通过减压阀调节压力，对水箱充气，使水箱内压力为0.4MPa，为搅拌车水箱的排放和排放提供压力。冲洗;当水箱装满水时，通过调节操作手柄来调节操作手柄。空气压力被排出以方便加水。水箱上的阀工作压力调整为0.5MPa。
The air system of the automatic feeding mixer draws air from the chassis gas cylinder, and adjusts the pressure through the pressure reducing valve to inflate the water tank, so that the pressure in the water tank is 0.4MPa, providing pressure for the discharge and discharge of the water tank of the mixer. rinse; When the water tank is full of water, adjust the operating handle by adjusting the operating handle. The air pressure is vented to facilitate the addition of water. The working pressure of the safety valve on the water tank is adjusted to 0.5MPa.
目前搅拌车的气路系统大多采用气控箱一体化控制的方式，将止回阀、减压阀、压力表、调节手柄等气路元件集成在气控中。盒子。市场上不同厂家的搅拌车使用的风控箱基本相同。
At present, the gas path system of the mixer truck mostly adopts the integrated control mode of the air control box, integrating the check valve, pressure reducing valve, pressure gauge, regulating handle and other gas path components into the air control. Box. The wind control boxes used by mixer trucks of different manufacturers in the market are basically the same.
风控箱选用的压力表为1.6级防震压力表，能适应搅拌机颠簸的运行工况。单向阀开启压力设定为0.2~0.3MPa，减压阀设定为0.4MPa。气控箱总成组装完成后，应进密性试验。
The pressure gauge selected for the wind control box is level 1.6 shockproof pressure gauge, which can adapt to the bumpy operating conditions of the mixer. The opening pressure of the one-way valve is set to 0.2~0.3mpa, and the pressure reducing valve is set to 0.4MPa. After the assembly of the air control box assembly is completed, the air tightness test shall be carried out.
搅拌车的供水方案大都为气压式，即从搅拌车底盘气瓶取气，通过气压将闭式水箱内的水挤压工作水龙头，确保水压稳定，冲洗干净。
Most of the water supply schemes of the mixer truck are pneumatic, that is, take gas from the gas cylinder on the chassis of the mixer truck, and squeeze the water in the closed water tank to the working faucet through the air pressure to ensure stable water pressure and clean flushing.
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