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indicator	unit	72 "	84 "	68 "
working width	mm	1830	2130	1727
Snow throwing distance	m	> 12	> 12	> 12
work pressure	MPa	16-21	16-21	16-21
Work flow	L/mm	100-150	100-150	50-75
weight	kg	460	510	455
length	mm	1892	2197	1777
width	mm	1100	1100	1130
height	mm	1700	1700	1560

A snow thrower, also known as a snow removal machine or snow flinging machine, is a mechanical device used to clear accumulated snow during winter. Through efficient mechanical operations, it collects snow from the road surface and throws it to a designated area, quickly restoring road clearness and ensuring the safe passage of pedestrians and vehicles. As an essential tool in northern regions during winter, it can significantly reduce labor intensity and improve work efficiency.

1. Definition and Alias

A snow thrower is a machine used to clear snow from areas such as driveways, sidewalks, roads, railway tracks, ice rinks, runways, or the perimeters of houses. It is also widely known as a snow removal machine or snow blower, and these three terms often refer to the same type of equipment.

II. Working Principle

The core working principle of a snow thrower is based on mechanical transmission, typically involving three consecutive steps: collection, conveyance, and projection.

1. Collection stage: The snow collection devices at the front of the equipment (such as rotary plows and spiral snow collectors) break up and gather the snow on the road surface.

2. Conveying stage: The built-in spiral conveyor (also known as a screw conveyor) pushes the accumulated snow towards the ejection port in the middle of the machine. The end of the screw conveyor often features a unique sawtooth structure, which can break up the compacted snow.

3. Projectile Stage: The impeller rotating at high speed (also known as the projectile rotor or high-speed rotary fan) accelerates the snow delivered and ejects it away from the road through a projectile barrel with adjustable direction and angle. The snow ejection direction can be adjusted within a horizontal range of 190 to 210 degrees, and the snow ejection height can also be controlled by adjusting the angle of the baffle.

III. Main types

Based on different classification criteria, snow throwers can be divided into various types:
By structure and scale:

Handheld/hand-pushed type: suitable for cleaning small areas, such as sidewalks or courtyards, with small size and flexible operation.

Wheeled/self-propelled: Commonly seen on city streets or parking lots, they can automatically move forward or even reverse. The operator mainly controls the direction, reducing labor intensity.

Crawler type: suitable for rugged or heavily snow-covered areas, with crawler design providing better traction.

Large vehicle-mounted/attachment type: installed at the front end of trucks or loaders, used for large-area snow removal on highways, urban main roads, etc., with powerful snow removal capability.

By power source: it can be divided into fuel-powered (usually using a 4-stroke gasoline engine) and electric (including both wired and battery-driven). Electric models produce less noise, have no direct emissions, and are more environmentally friendly.

Based on technical levels, they can be divided into single-stage and double-stage (or multi-stage) models. Single-stage models use a spiral auger to directly collect and throw snow; double-stage models first collect snow with a spiral auger and then feed it into a high-speed impeller for projection. They are capable of handling deeper, wetter, and heavier snow accumulation, and the spiral auger does not touch the ground, making them more friendly to road surfaces.

IV. Key Technical Parameters and Performance

Common technical parameters reflect the performance of the equipment:

Throwing distance: Generally, it is 10-15 meters, and some models can reach 15 meters or even farther.

Operating width: ranging from tens of centimeters (hand-pushed type) to over 2.4 meters (large vehicle-mounted type).

Snow removal capacity/efficiency: ranging from hundreds of cubic meters per hour to over 3,000 cubic meters per hour, with large equipment capable of removing up to 350-400 tons of snow per hour.

Power: Small hand-propelled models range from 6.5 to 13 horsepower; larger equipment may utilize engines of 75 kilowatts or higher.

Adaptability: Many devices utilize specially crafted rubber blades to efficiently remove snow while safeguarding the road surface; certain models feature a forced down pressure function, ideal for clearing compacted snow.

V. Application Scenarios and Advantages

Snow throwers are widely used in various settings such as urban roads, highways, airport runways, squares, parking lots, and residential driveways.

Its main advantages include:

1. Efficient removal: The operational efficiency is much higher than manual snow shoveling, enabling rapid response to large-scale snowfall and timely restoration of traffic.

2. Physical snow removal, environmentally friendly: Compared to the use of de-icing salt (chemical snow removal), snow throwers belong to physical snow removal, causing no chemical pollution and being friendly to roads, green spaces, and groundwater environments.

3. Solving the problem of snow accumulation: Unlike snow shovels that merely push snow to the side of the road, snow throwers can directly throw the accumulated snow to green belts, designated dumping areas, or transport vehicles, thus avoiding secondary road occupation caused by snow accumulation on the side of the road.

4. High reliability: The anti-blocking structure and high-strength wear-resistant materials designed for wet and heavy snow ensure continuous operation under harsh working conditions.

VI. Market and Development Trends

The global snow thrower market continues to grow, with North America being the largest consumer market. The market is primarily driven by urbanization, an increase in extreme weather events, and the rising demand for winter safety and convenience.

The current major development trends include:

Electrification and environmental friendliness: Battery-powered and pure electric snow throwers are becoming increasingly popular to meet environmental requirements for low carbon emissions and low noise levels.

Intelligentization: Integrating intelligent technologies, such as remote control, smartphone applications, automatic operation, fault prediction, and even AI navigation, to enhance user experience and operational accuracy.

Product segmentation: Compact and lightweight residential models, as well as efficient and professional large commercial models, are continuously evolving in their respective fields.

Conclusion

In summary, snow throwers are indispensable key equipment in modern winter snow removal systems. They remove accumulated snow through efficient and environmentally friendly physical methods, significantly enhancing the efficiency and safety of snow removal operations. With the integration of technologies such as electrification and intelligence, snow throwers will continue to evolve, providing more powerful and sustainable solutions to meet the challenges of winter snow and ice.