Equipped with ISUZU engine provides powerful performance and low fuel consumption.
ensures easy and safe control.
long service life. XCMG XE215C Hydraulic Excavator bottom price XE215C Hydraulic Excavator,cheap XE215C Hydraulic Excavator,XE215C Hydraulic Excavator HONG KONG KAIDE MACHINERY LIMITED , https://www.cat-semmachinery.com
 Advanced energy-saving Kawasaki hydraulic system.
 New spacious cab design provides comfortable operating environment and improved pedal design
 X-beam structure improves the cross-sectional strength and ensures good overall durability as well as
 Accessible daily maintenance points are used.
 Optional break hammer and pipeline.quick coupler,rotary driller,hydraulic vibrating tamper are available.
The atomic structures of strontium and strontium are the same, their geochemical properties are similar, and they coexist in nature, producing extremely complete series of similar minerals. No deposits of pure and pure strontium have been found. According to the genesis (mineralization), the antimony deposit is divided into three categories: exogenous, endogenous and metamorphic deposits. The main types of industrial deposits are granite pegmatite deposits, granite deposits, carbonate rock deposits, alkaline rock deposits, hydrothermal deposits, weathered deposits and river impact deposits. Industrial requirements for antimony ore are often based on the geological characteristics of various deposits, the technical conditions of mining, the composite composition of ore, the treatment process, and the geo-economic characteristics of the deposit. Usually tantalum niobium placer claim containing tantalum and niobium mineral greater than 50g / m 3, of the original deposit containing (Ta + Nb) 2 O 5 > 0.02%, of the carbonate rock in pyrochlore claim Nb 2 O 5 at 0.1% to 0.5%, or higher. The grade of industrial deposits in China is shown in Table 1.
Table 1 Industrial indicators of antimony ore sheets
Deposit type
Ta 2 O 5 /Nb 2 O 5
Boundary grade
Minimum industrial grade
(Ta,Nb) 2 O 5 /%
Or Ta 2 O 5/%
(Ta,Nb) 2 O 5 /%
Or Ta 2 O 5/%
Granite pegmatite deposit
≥1.0
0.012~0.015
0.007～0.008
0.022~0.026
0.012～0.014
Alkaline feldspar granite deposit
≥1.0
0.015～0.018
0.008～0.01
0.024～0.028
0.012~0.015
Weathering crust (fergusonite niobium ore or iron ore) Deposit
-
0.008～0.010
Heavy sand grade
80～100g/m 3
0.016~0.020
Heavy sand grade
250～280g/m 3
Primary strontium deposit
-
0.05~0.06
0.08~0.12
River-type sand deposit (tantalite or brown ore)
-
0.004～0.006
Heavy sand grade
40g/m 3
0.01~0.012
Heavy sand grade
≥250g/m 3
It should be pointed out that although cockroaches are symbiotic in minerals, the reserves of natural cockroaches are far more numerous. Some of the world's largest deposits are actually strontium deposits, with a ratio of strontium and barium in the ore of 400:1, the world's largest Araxa bismuth mine in Brazil, the Niobic bismuth mine in Canada, and China's The Baotou Bayan Obo mine is actually a “pure†antimony ore, and the traces contained in it are virtually impossible to recover.