05/06/2014 Career Counseling
( 1 ) the establishment of relevant laws and regulations
a. developed pollutant emission standards . Disposal of solid waste in cement kilns , may have additional or higher pollutant emissions,<a href="http://www.sellercrusher.com/solutions/crushed-rock-equipment-for-sale.html">crushed rock equipment for sale</a>, so the need for gas systems strictly limit emissions , increasing the necessary on-line measurement devices and dust collection equipment. The main monitoring project are: heavy metal content (Hg, As, Pb, Cr, Mn, Ni, Cd , etc. ) , dioxins / furans, total chlorine.
b. developed using standard waste . Waste must be analyzed before use test, the main analysis items are: heavy metals (mg / kg), cyanide, total chlorine , PCB and other elements can cause environmental pollution and the impact of the cement and material quality .
c. establish relevant quality standards and approvals permit system , the establishment of technical standards and pretreatment processes.
( 2 ) the development of new technology utilizing waste
a. solid waste water composition analysis , control technology and the required new analysis, control, research and development equipment.
b. solid waste pre-treatment equipment and technology.<a href="http://www.sellercrusher.com/solutions/price-of-rock-crushing-equipment.html">Price of Rock crushing equipment</a>. In order to improve the efficiency of waste treatment to ensure safe production of cement must be pretreated for certain wastes.
c research . feeding mode and location . Including alternative materials , alternative fuels and hybrid materials.
( 3 ) expand the scope of research utilizing waste
China's current use of cement types of waste disposal and utilization of the developed countries are very different . Cement major developed countries in the use of waste rubber products, tires , waste plastics , waste oil, waste solvents , sludge, waste wood , etc., as an alternative fuel. At present , China 's waste tires, waste mineral oil has not been effectively controlled , cement disposal and utilization of waste are mainly printing inks, organic solvents and chemical industry waste , waste paint , waste acid , waste alkali. In order to expand the types of waste disposal in cement kilns and cement companies to maintain the normal operation of the process utilizing waste time , is bound to increase the range and quantity of waste recycling.
The broken stone processing stone industry has maintained a rapid and stable development of the market, along with the entire building stone and stone...