A coal tar dispensing machine is used for dispensing or applying coal tar, which is a byproduct of coal processing and is commonly used for road construction, waterproofing, and as a sealant for surfaces such as pavements. These machines typically come in various designs, including manual and automatic systems, to ensure precise and controlled application of coal tar in specific quantities.

Components of a Coal Tar Dispensing Machine:

Coal Tar Tank: This is the primary container that holds the coal tar liquid.
Pump: The pump helps in transferring the coal tar from the storage tank to the application point.
Flow Control Valve: This regulates the flow of coal tar and ensures consistent application.
Nozzles or Dispensers: The machine may be equipped with nozzles that control how the coal tar is dispensed, ensuring it covers the desired area evenly.
Heating Mechanism: Since coal tar is viscous, heating elements may be integrated to maintain the fluidity of the material and ensure it flows easily during dispensing.
Control Panel: This panel allows the operator to set the required amount of coal tar to be dispensed, adjust temperature settings, and control the flow rate.

Uses:

Road Construction: Coal tar is used in the construction of roads and pavements, where the machine helps in spreading the tar over the surface in a consistent manner.
Waterproofing: Coal tar is also used in waterproofing applications for roofs, basements, and foundations.
Sealing and Coating: Its used for applying protective coatings on various surfaces, especially in industrial applications.

These machines can vary in size, from smaller, manual devices for DIY applications to larger, industrial machines used in roadworks and large construction sites.