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Xinhai mineral processing equipment mainly include: grinding equipment, flotation equipment, dewatering equipment, magnetic separation equipment, and so on. Some of the equipment is Xinhai independent research and development, and has been awarded national patent. View details
Gold CIP Production Line adsorbs gold from cyaniding pulp by active carbon including 7 steps: leaching pulp preparation, cyaniding leaching, carbon adsorption, gold loaded carbon desorption, pregnant solution electrodeposit, carbon acid regeneration, leaching pulp. View details
Recently, Shandong Xinhai Mining Technology & Equipment Inc held a board meeting...
1. Cost-benefit Analysis
It’s advisable that the ore veins of Tanzania NHM Company adopt the waste-lifting stoping mining methods. The ore bodies of different thickness have many similarities in the technology of waste-lifting stoping; and the labor and material costs that every mining cycle consumes are basically the same. The difference is that ore capacity from ore bodies of different thickness. Therefore, for the ore bodies with different thickness, we first count the labor and material costs of the sum of per ton ore and waste rock by the mining range of 1.1 m, and then calculate the mining costs of ore bodies with different thickness according to the ore capacity obtained by each mining cycle. The mining cost composition of NHM Company adopting the technology of waste-lifting stoping as follow:
2 Mineral processing costs
3. Total Costs
According to the above calculation of mining and dressing costs, the unit overall cost of each mining and dressing is about 114.93 dollars per ton and the annual total costs is about 5,172,100 dollars
4. Sales Revenue
For this design, referring to the preliminary test preparation, the recovery rate of gravity separation is 50%; the gold leaching rate is 96.87%; the loss of the gold-melting Electric technology is 2% and the recovery rate of gold-smelting is 98%. Given the above data, the total recovery rate is（50%+50%*96.87%*98%）*98%=95.52%, namely, annually recovering 866.1kg gold.
If the sale price of gold is 35 dollars per gram, the annual sales revenue is about 30,313,500 dollars, tax without consideration.
In light of the above data, we can estimate that the annual return is 25,141,400 dollars and the profit of a unit of raw ore is 558.7 dollars per ton.
These data in this cost-benefit analysis are all pre-tax information, you can calculate the after-tax ones by yourself in accordance with local tax condition.
As an advanced silicon classifier, XCIII hydro-cyclones made by Xinhai is widely used in mining process line.
Generally, there are many influential factors in the gold flotation process, like particle size, flotation reagents, pulp density, the flotation time, stirring intensity, inflating volume, pulp temperature, and etc. ... [more]
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© 2017 Shandong Xinhai Mining Technology & Equipment Inc.