In order to solve this problem, the dust and scattering along the coal train at the railway station will cause serious environmental problems;
Special vehicle manufacturers have specially developed a multifunctional dust suppression vehicle dedicated to railway stations. Through the characteristics and technical requirements of coal railway transportation, combined with the physical properties of the dust suppressant, a design scheme of dust suppressant spraying equipment is proposed;
The nozzle is designed and the spray performance is numerically simulated and experimentally studied. According to the technical requirements of dust suppressant spraying equipment for coal-carrying trains on railway lines;
Designed dust suppressant spraying equipment, mainly used for train transportation of coal, used to solidify the coal on each train to form a protective film to reduce pollution, which is referred to as the railway station dust control truck.
Take the Dongfeng VR dust control truck as an example. The car uses the Dongtianjin VR half-row cab, equipped with Cummins’ 210-horsepower National VI diesel engine, with a six-cylinder in-line 6.2-liter displacement and a maximum torque of 850Nm;
It is matched with DF6S900 gearbox, 4.5-ton front axle, 9-ton rear axle, 10.00R20 18PR steel tire, 3m 95 wheelbase, air conditioning, ABS, electric glass and other configurations.
The upper tank body is the same as the multifunctional dust control truck. It is made of 4mm steel plate into a square tank body. The tank body is treated with epoxy glass flakes. The auxiliary engine box is made in front of the car body, and aluminum alloy rolling shutters are made on both sides, which is convenient for later use.
Install the Weilong pump 50/110 high-power sprinkler pump, which can be self-priming and self-discharging; ball valve layout: front flush, rear sprinkler, side spray, stainless steel high-pressure water cannon on the rear working platform, large-diameter ball valve for the whole vehicle. 4 pneumatic controls (2 for front flushing and 2 for rear sprinkling).
Layout of punching large platform, install dust suppression spraying rack. Dust suppression agent spraying vehicles for railway coal transportation points are mainly composed of swing-arm spraying devices, liquid storage tanks, self-carrying vehicles and control systems.
In winter, tanks, sprinklers, and pumps in northern regions need to be equipped with heat preservation and heating systems for normal operation. Dust suppression agent spraying vehicles at railway coal transportation points mainly use the interaction between the hydraulic system and the electronic control system, that is, the mobile spraying equipment injects the spraying liquid into the liquid storage tank at the liquid distribution station, and then goes to the spraying point by itself;
When the train passes, the photoelectric detection system starts to identify the traction locomotive. After the traction locomotive passes, it sends out a signal. The controller controls the transmission hydraulic system to rotate the liquid pipe orthogonal to the carriage, and at the same time starts the liquid pump to start spraying.
And adjust the flow rate of the liquid pump to meet the design spraying standard.
The photoelectric detection system sends a signal between the train hooks to the PLC, and controls the stepper motor or the servo motor to rotate the shielding drum through the transmission connection device to stop spraying and spraying.
When the train passes completely, the device stops spraying.
The swivel arm can rotate 360 degrees, and the train carriages on the left and right sides can be sprayed, which is very convenient. The spray bar of this car is made of stainless steel nozzle, the effect is better than the shower.
An illuminator is also installed on the boom to facilitate night work. In terms of operation, it can be operated electronically in the cab or on the electric control box on the working platform, which is very convenient.
According to the performance of the dust suppressant, the spraying performance of the nozzle was studied through numerical simulation and experiment, and the nozzle used for spraying the dust suppressant was selected.
A tool box is also installed under the platform to store tools.
Like this, the fluid piping system of the spraying equipment is designed and hydraulically calculated, and a suitable pump is selected;
Analyze the characteristics of the system piping, determine the piping performance curve equation of the spray piping system with the flow rate, derive the relationship between the flow rate and the pump speed, and provide a basis for the design of the pump speed control system.
This Dongfeng Tianjin VR railway station dust control truck facilitates the coal transportation station and protects the environment of the station. It can also spray roads and reduce dust;
It can also disinfect the environment, and the functions are very complete. I want to know the price of dust control truck at the railway station. Can I call for consultation at any time?