Comprehensive analysis and supplemental test 1, according to the theory of optimal solution is obtained by orthogonal test. The level of the solid liquid reaction to further improve the quality ratio, reaction temperature appropriately reduced, arrange the supplemental test further.
In the near optimal scheme making a round of tests of 2 level of small batch, the reaction time is fixed at 90min, factor A from a higher level of 1:4 than 1:3, factor B from 50 DEG C, the test results show that, the extraction rate was 86% and the theoretical value is not. At the same time verified the test, final test to determine the condition of solid-liquid mass ratio of 1:3, reaction temperature 50 C, reaction time is 90min.
2, vertical impact crusher and wet sieving, filtrate effective recovery, and as a fine tuning agent solution of pH, to achieve material recycling, the maximum value of two times the increase of vertical impact crusher as resource utilization, and reducing the environmental pollution.3, the use of solubility product principle to calculate Fe3 in the solution pH value reaches 4.1 complete precipitation of Al3 in solution, pH value is 3.8 when begin to appear Al (OH) 3 floc, use of the specific conditions of selected pH value 3.8 ~ 4.1 as the cut-off point, with 1mol/L, 0.1 mol/L, 0.01 mol/L,
3 different the concentration of NaOH solution was used as the reaction solution pH coarse, reconcile fine-tuning agent, through the change of digital pH meter control solution of pH readout data effectively and in time value.
Application of quality and amount of pew jaw crusher in concrete, is a simple and practical method to control the aggregate reaction. The experience home and abroad, pointed out that the concrete quality of pew jaw crusher content less than 30%, it is sufficient to effectively prevent the aggregate reaction in DD. The wear resistance of some earlier in European and American countries, use of pew jaw crusher concrete pavement, including for wear layer surface. Road engineering for many years of practical test showed that the pew jaw crusher concrete can be competent for pavement concrete requirements of high durability and wear resistance.
Jaw crusher concrete rolling development in recent years and the actual engineering of high volume pew jaw crusher concrete pavement have been demonstrated, their wear resistance is good. Abrasion resistance of concrete mainly depends on the compressive strength, concrete curing, finishing and surface treatment as well as aggregate, pew jaw crusher will not reduce the quality of concrete from the aspects of. On the application of pew jaw crusher and proper content of circumstances, but also conducive to improve the wear resistance of cement mortar.
The slump and slump loss in slump test control work of fresh concrete with jaw crusher trader, a large number of practice has proved that it is quite appropriate, also sensitive to new mixing jaw crusher trader concrete work of the variability of the response, basically can meet the water use per unit 3 ~ 4L/m3, slump to increase or decrease the LCM experience. Powder, pulverized jaw crusher trader, the jaw crusher trader has always been a big problem, in slump test process of fresh concrete with jaw crusher trader can still be observed stick, segregation phenomenon, the cohesive effect of final work, decorative and improvement.
The negative effect of inferior jaw crusher trader can also lead to new mixing jaw crusher trader concrete reduced slump more dry and hard work can be used as indicators of degree of work.The domestic and foreign practice experience, the admixture of jaw crusher trader can significantly reduce the slump loss of fresh concrete rate in hot weather. Bleeding bleeding phenomenon is due to solid particle group of fresh concrete and the result of rising sinking in water. Bleeding effect of concrete surface quality and durability damage of concrete. Fly ash can compensate for the lack of fine powder cement and fine aggregate concrete in concrete, favorable water retention and cut off the bleeding passage. If use the benefits of water reduction and low carbon fine jaw crusher trader, not only will reduce the unit water use and reduce the urinary content, but also because of its shape effect, bead granule has good water retention ability, especially the effect of reducing bleeding phenomenon.
After coal gangue completes primary crushing by crusher, it enters coal gangue ultrafine mill and then carries on grinding operations, which improves its comprehensive utilization of resources. It is the new direction of coal gangue development in China under the new policy situation of the country. After ultrafine mill of coal gangue, not only to achieve comprehensive utilization of resources, but also protect the environment, investment prospects are broad!
ANALYSIS OF COAL GANGUE MATERIALS
Coal gangue is a kind of solid waste in the process of coal mining and coal washing. It is a black-gray rock with low carbon content and harder than coal, which is associated with coal seam during coal formation. China is a big country with coal. The waste of coal gangue is a waste of large amounts of available resources and destroys the environment. And, in fact, coal gangue contains opportunities for secondary use.
Therefore, the use of ultrafine mill to achieve the secondary use of coal gangue is a good investment prospects and benefits the country and the people.
APPLICATION OF GANGUE ULTRAFINE MILL POWDER
After ultrafine mill and fine grinding process, coal gangue transforms into ultra-fine coal gangue powder, which has great application value! Coal gangue ultrafine powder can be used as sintered porous brick, manufacturing cement, building blocks and other building materials; can be used as a brick material to replace clay; can be used to generate electricity; can be used to produce low calorific value gas; can make ceramics; can make soil improvement Agent. In addition, coal gangue coarse powder can be used as road paving, ground filling, etc.
They are on the move jaw vibration impact crushing material, improve the crusher performance to. The leaders of quality grinding mill for Zenith quality grinding mill company, relying on mineral, production team produces the strong stone equipment, stone crusher, quality grinder, mobile crusher station and other mining stone plant in europe, access to the vast number of consumers around the world trust.
National Twelfth Five Year Plan on efforts to upgrade the content to optimize the industrial structure, stressed the need to improve the domestic production of major technical equipment level, countries will be mainly in the field of clean and efficient power generation and transmission, large petrochemical, quality grinding mill and equipment, advanced transportation equipment, high-end CNC machine tools, automatic control, integrated circuit equipment and advanced power device strengthen the policy support etc.. It can be inferred, with the future of engineering machinery industry layout gradually, the competition in depth, the market sales will be further to the large enterprises are concentrated, showing the strong stronger, the weak weaker trend, needs of domestic enterprises by virtue of its own strength and the Multi-National Corporation to compete.
When installing the grinder market with the body, to ensure that the machine surface flat, face and body foundation interaction don’t ash leakage, for anchor bolt tightening equipment need to be strengthened, under the foundation also leave enough streamlined for equipment maintenance in order to. When the crusher motor installed, according to the need of the actual situation on the allocation of special safety belt guard, prevent the motor into too much dust.
The crusher, grinder market hammer and void spindle intermediate plate generally need to be adjusted according to the actual requirements of the job, when the adjustment after the end to tighten the collet nut in a timely manner, which can effectively prevent the work in the nut loose and grinder market liner plate collision.
The broken items when machine installation to note is that there are many, I believe that through the above believe that introducing all have a detailed understanding of the. Hope that all operators are able to strictly in accordance with the installation of equipment installation, a step out of the grinder market liner, grinder market grinder market main shaft wall, such as the operation, to ensure foolproof. Only in this way can make the grinder market maximum work advantages, reduce production failure rate, bring the best production efficiency to the enterprise.