The mining
industry（Industrial Pipes） around the globe tends to make use of slurry
pipelines for transportation of mineral concentrate from mineral processing
plants situated close to the mine. The ore concentrates are mixed with water,
soon after which it truly is pumped into pipelines to a website exactly where
the mixture is shipped to other locations for additional processing activities.
The use of
slurry pipelines delivers visible economic benefits when in comparison to
transport by railway, especially in scenarios exactly where mines are
positioned in extremely remote regions. Transportation of tailings by way of
slurry pipes also decreases influence around the environment. These pipelines
are usually combined with current railway infrastructures, typically installed
above ground, with pipes following the routes in the rail tracks.
Just before
solids can be transported：Before mining
solids（Mining Pipes） are ready to be transported, they must undergo a
approach of pulverizations, following which the pulverized material is mixed
with water as a way to type a paste, or slurry. By means of the slurry
pipeline, this substance is then deposited into a mixing tank which includes
large rotating wheels to facilitate the uniform mixing of the water along with
the particles. Right after this method, the slurry is pumped out via the
pipeline following which it is transported more than long distances, powered by
particular plungers or piston pumps, aided by gravity and various ground level
elevation strategies.
Fine and coarse
slurry：The substance of
finely ground solid particles in liquid is called fine slurry, whereas bigger
particles mixed in using the liquid make up coarse slurry. When transporting
coarse slurry in pipelines where - in an effort to suspend the solids - the
velocity demands to be high, extensive abrasion for the pipe also because the
pumps can take place, paired with high energy consumption. For that reason,
coarse slurry pipelines are usually only economical and sensible when utilised
more than shorter distances, usually not a lot additional than a number of
kilometers away in the mine. Conversely, fine slurry is significantly less
abrasive and may for that reason be transported over longer distances with no
causing too considerably abrasive damage for the slurry pipes.
Handling serious
abrasion：Slurry pipelines
are engineered in such a way that abrasion from solids transportation also as
corrosion triggered by the soil is kept to a minimum. For this goal, most
pipelines are coated with high-strength polyethylene. The pipelines are made to
become extremely powerful when it comes to the absorption of kinetic energy
from the rough particles which can be contained within the slurry, and in terms
of their resistance to deformation, preventing damage triggered by the
transportation approach.
What are they
produced of? Slurry pipes are frequently made from either coated or bare steel,
ranging in size from 80mm -3200mm pipes, having a selection of linings and
coatings such as galvanized, polyurethane, polyethylene, epoxy, polypropylene
and cement mortar.
Common materials
transported in slurry pipelines：Many
various kinds of material could be transported in slurry pipelines for example
copper, iron, limestone, lead, coal, phosphate concentrates, nickel, zinc and
bauxite. Soon after ore processing, tailings from mineral processing plants are
also transported via these pipelines, for the goal on the disposal of remaining
rock particles.（Pipe Manufacturers）
At the
destination：When the slurry
comes out at the other finish of the pipeline, materials are separated from the
slurry by implies of filter presses which extract the water. Following this
method, the water undergoes waste treatment procedures soon after which it
truly is either returned towards the mine, or disposed of.
没有评论:
发表评论