What is haulage in mines?
A haul road (also haulage road or haul track) is a term for roads designed for heavy or bulk transfer of materials by haul trucks in the mining industry. The term is used in the mining industry and can refer to roads that are inside mining operations, such as open-cut and surface mines.
What is haulage system?
underground coal mining In coal mining: Haulage. …coal onto the primary or main haulage; and the main haulage system, which removes the coal from the mine. The fundamental difference between face, intermediate, and main haulages is that the last two are essentially auxiliary operations in support of the first.
What is locomotive haulage?
The transport of coal, ore, workers, and materials underground by means of locomotive-hauled mine cars. The locomotive may be powered by battery, diesel, compressed air, trolley, or some combination such as battery-trolley or trolley-cable reel.
What is direct rope haulage?
i. A system of incline haulage, comprising one rope and one drum. The engine hauls up the journey of loaded cars, then the empties are connected to the rope and returned to the bottom by gravity.
What is the haulage level?
An underground level, either along and inside the ore body or closely parallel to it, and usually in the footwall, in which mineral is loaded into trams and moved out to the hoisting shaft.
What is haulage cost?
The term IHC – Inland Haulage Charges means, the transportation charges to and from inland Container Depot/ Freight Station to sea port of loading or vice versa. If moved by rail, the charges of moving goods from such location to Port of Loading/ Discharge is known as Inland Haulage Charges. …
What is haulage in construction?
Haulage is the business of transporting goods by road or rail between suppliers and large consumer outlets, factories, warehouses, or depots. This contrasts with ‘vertical transport’ of the same such materials with cranes, known as hoisting.
What is the difference between haulage and freight?
Haulage uses road and railway to deliver goods from one place to another. On the other hand, freight uses the road, railway – plus ship and aircraft.
What are haulage vehicles?
Heavy Haulage trucks vehicles lorries and its advantages. Heavy Haulage is a kind of freight involved with the transportation of goods by truck and rail alone. It is known as Horizontal Transportation also. The haulage system is playing a crucial role in growing a business in the past.
Which are the safety devices in haulage road?
The various safety devices used on haulage roadways are as follows: 1. Stop blocks 2. Buffers 3. Back catch 4.
What are the different types of haulage for underground mines?
In general, haulage for underground mines can be divided into two segments: 1) horizontal underground haulage and 2) vertical haulage from underground to surface. Horizontal underground main haulage is mainly carried out using trains, trucks or conveyor belts.
How do underground mines transport materials and equipment?
There are two basic options for the underground transport of materials and equipment: track/rail systems and trackless systems. Most underground mines use the latter only. In some German coal mines, monorail systems are employed for materials and equipment transport.
What are the cost drivers in underground bulk mining?
Haulage systems are a major cost driver in underground bulk mining. Current haulage technologies are continually being reviewed because these methods may consume as much as 15%–30% of the overall capital investment in a mine as well as an ever-increasing portion of operational costs.
Are there any examples of underground conveyor systems in metal mines?
At present (October 1938) very few data on underground conveyor systems in metal mines are available. At the La Rue mine on the Mesabi range, Minnesota, belts were installed some time ago on an old haulage level 15 feet below the bottom of the ore.