Lion Bulk Handling delivers also several type of mucking ejectors for implementation into our dry bulk material handling systems. Mucking Ejectors commonly used as water-driven jet pumps, but are also very suitable as vacuum cleaners for cleaning the onboard cement tanks or holds on board of dry material ships. For example mucking ejectors are used on board of PSV’s (Platform Supply Vessels), AHTS’s (Anchor Handling Tug Supply Vessels) and self-discharging cement carriers.
Clean equipment is always an important aspect in any industry especially the shipping industry carrying dry materials/powders such as cements. Extensive maintenance and cleaning procedures are followed while carrying dry materials/powders especially cements as the hygiene of the crew has to be maintained as well as to reduce the cleaning costs. Clean conditions have to be maintained during the various phases of loading and unloading of the dry materials/powders and those phases are :
- Prior to loading – Cleaning up of intended storage area
- During Loading – Dust Evacuation
- After Discharging – Cleaning & de-dusting the deck or storage area
Generally, in the offshore and marine industry Water driven mucking ejectors are employed for performing the above cleaning phases.
Principle of Operation
Mucking ejectors consists of converging-diverging venturi in which vacuum is created by the flow of a high pressure fluid which is called the Motive fluid of the ejector.
- Motive fluid is characterized as a high pressure fluid enters a Multi-Nozzle opening.
- The high pressure motive fluid gets converted into a jet when it exits the nozzle. According to the Principle of Conservation of energy, one form of energy (Pressure energy in this case) gets converted to other form of energy (Velocity energy in this case).
- As a result of the formation of jet, vacuum is created which pulls the fluid or air/dry material mix that has to be entrained. The fluid or air/dry material mix to be entrained is called the Suction fluid/air of the ejector.
- A Multi-nozzle opening is used in order to enhance the air handling capacity of the ejector.
- This action produces an effect similar to a vacuum cleaner and as a result cement and other dust particles are sucked into the flowing stream of air.
- At the suction side of the ejector, a valve is connected. It is important to shut off the valve before shutting off the ejector to prevent the back flow of the motive water or air/dry material mix.
- Similarly, a strainer is fitted in the motive driving side to prevent the entry of any unwanted / foreign particles which might hinder the flow of driving motive water.
Mucking Ejectors are used as describe above in several applications in all offshore and maritime industries. It helps maintaining the hygiene and cleanliness of the carrier ships.
The advantages of an mucking ejector are:
- No moving parts
- Easy to install
- Easy to maintain
- Simple & reliable
- Easy to install
- Low Cost
Our Mucking Ejectors can be delivered in several sizes, connections and body materials. If you need any more information about mucking ejectors in regards to bulk material handling systems, please do not hesitate to contact Lion Bulk Handling or leave a message blow.