Dienstag, 20. März 2012

How Hongxing Crusher Crushes Building Waste?

A brick is a block of ceramic material used in masonry construction, usually laid using various kinds of mortar. It has been regarded as one of the longest lasting and strongest building materials used throughout history Brick Cusher also called brick breaker, which is a machine to process waste brick. Brick Crusher has mobile brick crusher and fixed brick crusher. The brick crusher is also has many different types according to different working principle: brick jaw, mobile, cone and impact type crushers…The brick crusher’s motor transmits power through belt, drives the moving jaw to do periodic motion towards the fixed jaw by the eccentric shaft. The angle between toggle plate and moving jaw plate increases when moving jaw moves . So the moving jaw moves towards the fixed jaw. The Brick will be crushed in this process. The angle between toggle plate and moving jaw decreases when moving jaw moves down, the moving jaw moves leaves fixed jaw by pulling rod and spring, the final crushed brick will be discharged from the outlet.

Many City has more and more construction waste. We have no space for these construction waste. For Making use of the construction wast again, the government relevant departments have to sort waste, removed or crushed, most of them can re-use of renewable resources such as: steel scrap, waste wire, scrap wire, and various scrap metal accessories. The brick, stone, concrete and other materials is the main of the construction waste. By crushing, the waste brick may be able to sand for mortar, plaster, play concrete pads, etc. The crushed brick can also be used to produce block, brick paved road, brick and other building materials lattice. 

Because construction waste dumping more concentrated, the venue is limited, and traffic is not very convenient, Henan Hongxing Mining Machinery suggested the use of mobile crushing plant. First, the Commonwealth of mobile crushing and vibrating screening equipment, bulk materials on a variety of large-scale multi-stage crushing. Another mobile crushing equipment, small footprint, equipment flexibility, convenience, mobility, and can save a lot of infrastructure and relocation costs; to conduct on-site crushing of material transported from the scene without having to re-broken material, and with the surface mining of raw materials advance of the move, which significantly reduce the cost of shipping materials. Mobile crusher configuration flexibility, the design can be modified according to the actual on-site or special mobile crushing plant, ideal for construction waste crushing.

Iron Ore Suffer from Global Economic Uncertainty

Iron ore fell to its lowest level of the year and copper plunged more than 6 per cent as Chinese investors led a wave of selling across industrial commodities markets amid concerns of a global economic slowdown.

The sharp falls came as the eurozone debt crisis entered a crucial week of negotiations. At the same time, however, investors are concerned by the possibility of a hard landing in China, which accounts for more than 40 per cent of demand for many industrial metals. Those fears have been exacerbated by the sharp drop in spot iron ore prices. Benchmark Australian iron ore " with a 62 per cent iron content " delivered to China, which had been relatively stable amid the commodities sell-off over the past few months, fell to $145 a tonne, down 20 per cent from an early September peak of $183. Duncan Hobbs, analyst at Macquarie, said the fall in the iron ore spot price was "reinforcing perceptions of a slowdown of the Chinese economy" and was affecting sentiment of other industrial metals in spite of bullish supply and demand fundamentals, especially in copper. China this week reported GDP growth of 9.1 per cent in the third quarter " the lowest in two years.

Analysts said large steel mills in China were reporting declining orders and that aggregate steel output should probably be reduced in the short term. Negative sentiment in China also weighed on industrial metals. Copper for delivery in three months at the London Metal Exchange, the bellwether of the base metals markets, fell as much as 6.5 per cent to a low of $6,710 a tonne. That was slightly more than a 14-month low of $6,635 touched this month, and the lowest close since July last year. Prices of copper and steel on the Shanghai Futures Exchange " seen as the clearest indicator of sentiment in China " have fallen even more sharply than global market prices in recent days. SHFE rebar " a form of steel bar used in construction " for delivery in three months has tumbled 20 per cent since September"s start, and on Thursday fell to within reach of a two-year low. Nicholas Snowdon, base metals analyst at Barclays Capital in New York, noted that Chinese companies and investors, who were ready buyers of metals only a few weeks ago, had turned sellers: "There has been growing pessimism over the possibility of a hard landing in China. It"s clear there have been some production cuts in the Chinese steel sector. It"s something a lot of hedge funds have pointed to as a sign of weakness in China."

Marius Kloppers, chief executive of BHP Billiton, the world"s largest mining company, told investors that the group had seen customers "behave conservatively in the light of global uncertainty". He added that companies were keeping a close watch on inventory levels, in light of "the potential need to tailor their plans if the global economic uncertainty continues". As a leading global manufacturer of crushing and milling equipment, we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete stone crushing station. We also supply individual jaw crusher and Raymond mill as well as spare parts of them.

Vertical Mill Distinguishes in Powder Production

With the developing of economic, the social quantity demand and production size of various non-metal ore, cement, building material, etc. is expanding with the rapid increase of material crushing and grinding. Henan Hongxing Mining Machinery mainly supplies the crushing and grinding craft. The ore exploited from the ore mountain need the process of crushing, which can make the big sized material into some dimensional small granule. And this crushing process needs the jaw, cone and impact type crusher and other mining equipment. The crushed small granule is delivering via belt conveying machine into grinding mill to achieve the grinding with the mesh from 30 to 400. If it is specially required, the fineness granule can reach 2000-3250 mesh, which increases the manufacturing capacity and ore selecting efficiency rapidly. Also, it can increase the economical benefit prominently for ore mine, ore selecting factory, cement factory, etc.

In the cement industry, Henan Hongxing Mining Machinery’s vertical roller mill is used in the end process of cement powder grinding with the power saving of 20%-30% compared with ball grinder and 30%-40% power saving when it is used in slag powder grinding. The vertical roller mill can meet different requirement of low consumption and high output. Also it has the obvious advantage in environment and power saving, especially in the “twelfth five” plan of cement industry’s combination and reconstruction. Henan Hongxing Mining Machinery’s vertical mill is widely used in cement industry because of its super-high output, reliability, easy repair, etc. ,which brings big benefit for cement industry.

In the ore selecting industry, Henan Hongxing Mining Machinery adopts the latest technological craft and equipment, helps the customer crush, classify, grind and select the iron ore, diamond, barite, etc. The coarse crushing usually adopts jaw type crusher, vertical impact crushing equipment, cone type crusher, etc. with the granularity of 0-5mm. Then the material runs through vertical mill, super trapezium mill, Raymond mill with selecting the end of the coarse grain. The coarse ore and fineness ore are used as the feedstock of ore grinding. After the ore grinding is the ore selecting with carefulness. At last, the concentrate of high grade and recovery becomes the acceptable product.

As the international first-level leading enterprise especially in its research & development, manufacturing and sales, Henan Hongxing Mining Machinery is the provider for rocks and ore processing equipment and solution for system. It autonomously researches and develops the kernel production such as mobile crushing plant, crusher, sand maker, vertical mill, European mill, Raymond mill, which has won many national patents praise. It is in the first line to pass through the ISO9001:2000 authentication and European CE certification, which becomes the first choice for powder grinding, coal powder milling, slag for micro powder processing in building, construction material, ore mine, metallurgy and all kinds of non-metal ore, etc.

Redesigned Crusher Contribute to Mining Tailings

The comprehensive utilization of mine tailings is a systematical engineering. It can not be repeated to dealing with as the by-product of mine, but should be collected and managed as the rule of law of ore and the comprehensive utilization of resources. Thus it can be planned integrate with the comprehensive utilization and increasing of efficiency. Before the recycling, the recycling plan should be designed well to insure the safety of tailing storage. The new technological new equipment is advised to adopt to increase the recovery. The environmental protection should be included in the design and the rebuilding of environmental construction after recycling.

Many mines have the low tenor of ore in Africa. There are many mine tailings when selected. With the increasing of mineral resources utilization, technology of preparing level and the highly need of mineral resource, the volume of tailings ejected is increasing, too, which is the secondary resources for developing and recycling. Some traditional ones become the raw material for non-traditional ore.

Henan Hongxing Mining Machinery, combined with Chinese geological academy of sciences tailings recycling technology center, devoted to its comprehensive utilization, protrusive the efficient impact sand maker, which can crush and reshape the mine tailing with many patents, which can crush a big amount of mine tailings, which has a widely use in metal ore crushing, quartz sand production, slag disposing, pebble sand making, mine tailings sand making, building garbage sand making, etc. What’s more, the European jaw crusher and vertical crusher can process the iron tailings with high calcium and magnesium into the high grade facing glasses, which have the better performance than the marble with the addition of 70-80% tailings. It is clear that significant improvement has been made in Henan Hongxing Mining Machinery. Not only various kinds of valued mines are recycled, but also it is reused fully, which decreases the piling and emission and solves the pollution resulted from this kind of material.

There are many mines in Africa, so developing the mine tailing piled for a long time can make the waste into value and remit the pressure to environment and resources. Henan Hongxing Mining Machinery can make customers know how to use and solve the material and reuse and recycle it according to the customers’ practical situation, equip the production craft and technology devices to insure the community of interest in society, enterprise, and public person of economic and environmental, which can boost the healthy development of the society.

Reasons and Solution to Abnormal Start of Screen

As we all know that it is a piece of common knowledge that we will often fit out screen machine in the stone manufacturing and production line. This screening equipment is a vibrating and screening machine device which is suitable for dry screening the kind of material that has a high degree of water content and that is different to sieve it well.

This kind of machine manufactured by Honging Machinery earns this name by reason of its approximately circular movement. It is of multilayer and high efficient. The eccentric shaft vibration exciter and partial block help to adjust amplitude. This kind of screening equipment is of long streamline, clear screening for different specifications. It is widely used for grading and screening materials in the fields such as coal-selecting, mining-selecting, building materials, electrical power and chemical industry, etc. The vibrating equipment is used to separate materials. It is composed of main frame, screen, motor, eccentric bock, rubber spring, coupler and etc. Our company supplies suitable type according to customers’ demands. The features are as follows: simple, reliable, high screening capacity and high durability.

Vibrating screen moves round. It has multi-layers and is of high efficiency. The eccentric shaft vibration exciter and partial block help to adjust amplitude. The material drops down along the long line. In screen grading, the material is separated mechanically on screen plates. Rolling bearings in vibrating screens are stressed by high, mostly shock-type loads. Moreover, the bearings, while rotating about their own axis, perform a circular, elliptical or linear vibrating motion. This results in high radial accelerations which additionally stress the bearings, and especially the cages, considerably. The operating speeds are usually very high. As a result, the bearing temperatures are up to 20 to 30 degrees Kelvin higher than in normal applications. In addition, considerable misalignments between the bearing locations and considerable shaft deflections have to be accommodated.

If it cannot be started in a normal way, then the customer should immediately stop the equipment and make a comprehensive check and examination. If the causing reasons are not within the following points, then you may consult the relative personnel, and our engineers and technicians will timely answer your questions or get to the working spot to clear and solve your problems. And the following abnormal start is concluded by the technicians in Hongxing Machinery according to the customers’ demands and we hope that these solutions can make you feel relieved if the same or related problems happen to your machines.

(1) The needed electric voltage for the vibrating screen is 380v so please make sure that you are using three boxes of power.

(2) If the motor is damaged, please change it in time.

(3) If the machine component that is used for controlling the circuit is damaged, please change it.

(4) When the electric voltage is not sufficient, the customer can solve the problem by changing the power supply.

(5) When there is a lot of material on the screen surface, please clean it.

(6) If the exciter breaks down, please examine and repair the exciter.

(7) When the lubricating grease becomes thick and packed, the exciter should be cleaned and need to replace suitable lubrication grease.

How does Mobile Crushed Develop till Now?

Portable type series mobile crushing plant is developed according to novel series stone crushing equipment’s design idea, which expands the concept field of coarse crushing and fine crushing. This series crusher really supply simpler, higher efficient lower cost machines for clients. Its design idea is based on the client’s requirements, which clears faults of the crushing place, surroundings and the complex basic configurations. It has the advantage of reasonable matching, unobstructed discharge all line, reliable working, convenient operation, high efficiency and saving energy. Especially the mobility is very good, so it can extend with the raw material places or the construction place, and it can also make multiple matching, get to different product requirements.

Komatsu developed its first mobile crushing plant in 1991 – 12 years ago. Since then, giving due consideration to the current environmental problems and market needs, the company has put on the market a good number of new mobile crushing plants which are capable of finely crushing debris from demolished concrete structures and processing the crushed debris into reusable aggregates. The newly-developed portable impact crusher is equipped with an entirely new impact-type crusher that can crush concrete debris into aggregates of desired size more efficiently than the conventional crusher. On the basis of the above findings and to offer new functions that can easily be used even by the users of construction equipment, we set the following aims of development for a new moveable crusher.

(1) The new mobile crusher shall be of such size that it can be transported within the United States without any of its parts disassembled.

(2) In order to enable it to carry an exceptionally large work load, a crusher having as large a capacity as possible shall be newly developed.

(3) The maintainability of the new machine shall be as good as that of ordinary construction equipment.

In short, the development concept was a new crusher that can be mobiled easily which is equipped with a crusher having a very large capacity and which can be transported without any of its parts is assembled. This has made it possible for the company to add a powerful new model to its series and offer optimum crushers according to specific customer needs.

Hongxing Machinery designs and builds Mobile Crushing and Screening Plant to meet today"s high demanding of flexibility and efficiency. We offer a wide range of mobile plant (portable plant) for use in primary, secondary and tertiary applications with production capacity from 30 to 720T/H. Available in wheeled type, tracked mounted crusher form, to create more profits for our clients in America, Indonesia, Australia, Russia, and Middle-East, South America and Africa countries.

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