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Crushers Are Important Part for Mining Industry

2012-12-07 14:58:39 | machine
 

Crusher equipment industry
needs to develop continually, needs to meet the customers’ requirements
continually. In the process of urbanization and industrialization of
highway, rail, water conservancy and other major infrastructure
investment is increasing, which will increase the large demand for the
crusher equipment. Our crusher equipment include stone crushing plant,
spring cone crusher, jaw crusher, impact crusher, high efficiency fine
impact crusher, building wastage crushing equipment, etc.

First, according to the needs; there are many kinds of crushers such as jaw crusher,
impact crusher, and cone crusher and so on. They have different
performance and application scope. Due to different needs you could
choose different crusher. It is necessary to consult the professionals
from the relevant fields.

Second, according to the manufacturer’s
qualification; if a company wants to produce high quality crusher, it
must have professional qualification, advanced manufacturing technology
and equipments, professional and technical persons and a certain
production scale. You’d better go to the manufacturing factory and
investigate personally if the condition permits. After all, seeing
believes.

Third, according to the quality and credibility; we
cannot blind listening to advertising, we should learn more about the
brand reputations from the front-line employees. After all they are best
qualified to speak on this question. Some accessories are easy to wear
and frequent replacement. The life cycle is also an important component. Hongxing crusher has a good reputation and this brand is also a trustworthy brand.

At Crusher-Mills, we have a superior line of rock crushing machines available.
Gold Ore Jaw Crusher Equipment From standard rock crushers, jaw
crushers, cone crushers, stone crushers, grind mills, ball mills as well
as imapct, gyratory, and roller style rock crushers. Customers find our
cone crushers and jaw crushers are extremely effective in creating
large amounts of fill quickly and effecticely.Cone crushers and jaw
crushers can create rock fill to be used for erosion control and
landscaping purposes.Cone crushers and jaw crushers
are the mainstay of the rock crusher industry, we offer a large
selection to meet your all your needs. If you need to crush large rocks
into manageable size pieces for mining, metallurgy, for building
materials, or for highway or railway construction, we have the best cone
crushers and jaw crushers for your business.

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Cone Crusher can Efficiently Save the Production Cost

2012-12-04 14:33:45 | machine
The biggest highlight of new type cone crusher is that it has the hydraulic controlled main shaft and the reliable Hongxing intelligent crush idea; its hydraulic discharging automatic adjust system and control system can improve the connect adjustment in the full load under the condition of crush equipment on load run adjust that make sure it is in the best capacity and processing property. Our company has a long history of manufacturing cone crusher, impact crusher, jaw crusher, compound crusher and roller crusher. Our professional design and product team share the same design platform, which is convenient to maintain and support, and provide customers the one package service of pre-sale, sale and after-sale service.

Under the system of market economy, the competitions among all enterprises are fiercer and fiercer. On the basic of keeping product quality, the comprehensive product cost is more reasonable and lower, and the product competitiveness is stronger together with the longer product prosperity period. Thus the enterprise will be more powerful. For example, most enterprises try to lower production cost of iron ore to grasp the chance to expand the interests.

HP Series of highly efficient Hydraulic Cone Crusher is a world-level cone crusher introduced with the up-to-the-minute technology of Germany. The cone crusher not only improves the production capacity and crushing efficiency, but also widens applying area, hardness range of materials from limestone to basalt. It has a great crushing performance in the work of medium-size crushing, fine crushing and super fine crushing. The crusher is the improved type of spring cone crusher and can be used to replace ordinary hydraulic cone crusher in the field of mining and construction. It is the most ideal equipment for large stone crushing factory and mining industry. As the professional manufacturer of complete sets of mining machinery, such as stone jaw crusher, Henan Hongxing is always doing the best in products and service.

If the equipment manufacturing industry upgrades, research-and-development-oriented enterprises will benefit. We think that the comparative advantage of the labor cost in China machinery industry is disappearing, so the upgrade of equipment manufacturing industry is the only way to success. At present the r&d investment is only that of about 2 percent for the 204 listed enterprises in our country machinery industry. But according to the fact that In America the R&D fees reach 6 percent for the 245 listed mechanical enterprises, the research and development investment of China machinery industry is insufficient. Looking from the American development experience, if an enterprise increases its r&d investment dramatically, its business performance and the profit level will improve greatly in the next 5 to 10 years, and excess returns of these listed companies is also much higher than that companies with less investment.
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U.S. senator advises defensive posture on wind power tax credit

2012-12-03 11:00:37 | machine
 

The tax credit for new turbine projects
expires at the end of the year. Its fate is uncertain amid the
negotiations between lawmakers and President Barack Obama to avert the
"fiscal cliff," a series of tax increases and spending cuts due to kick
in next year.

Grassley has backed the credit, known as the renewable energy production tax credit,
since it was established in 1992. It also is available for other kinds
of renewable energy, including geothermal, solar, hydropower, biomass
and tidal.

Grassley voted in August for a bill to help wind
companies by letting them take the credit at the start of construction,
rather than when new turbines are finished and connected to the energy
grid. The bill won approval in the Senate Finance Committee, but it has
not come up for a full Senate vote.

Lobbyists, analysts and
congressional aides said they doubted the bill - which would greatly
increase the cost of the credit to taxpayers - could pass either the
Senate or the House of Representatives.

A lobbying fight has
emerged over renewing the credit at its present level, pitting backers
such as NextEra Energy Inc, the largest U.S. wind energy producer,
against rivals such as Exelon Corp, the top U.S. nuclear power group.

Equal
to 2.2 cents on each kilowatt-hour produced, the credit poses a
competitive threat to utilities like Exelon that rely chiefly on
traditional power generation, analysts said.

Exelon generates wind power and has claimed the credit, too, but NextEra owns many prime U.S. wind facilities, analysts said.

Wind advocates said they need the more favorable tax credit
in 2013. If the credit is extended at its present level, "we don't see
many wind projects being developed in 2013," said NextEra Executive
Chairman Lewis Hay in an interview.

Hay declined to comment
specifically on the company's expansion plans if the credit is extended
or not. The company claimed about $147 million of wind tax credits
through the first nine months of 2012, according to regulatory filings.

A one-year extension of the current credit is "unlikely to spur a lot of wind development in 2013," said Matthew Kaplan, wind energy analyst at IHS Inc, an economic research firm.

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Precision bearings for solar energy offer long life and high efficiencies

2012-12-03 10:56:41 | machine
 

The efficiency of solar power plants – including photovoltaic (PV)
and solar thermal technologies – depends on how closely the collectors
are able to track the course of the sun. The more precise and
trouble-free these collectors operate, the more efficient and therefore
more profitable the plants will be.

Rolling and plain bearings, as well as linear units from Schaeffler are making an important contribution here.
These units have high rigidity and high load carrying capacities and
operate reliably even under extreme operating conditions. With its
extensive range of products and specialist expertise for materials,
coatings and seals, Schaeffler is an important development partner and
supplier for projects that involve parabolic troughs, solar towers, Dish
Stirling systems and Fresnel power plants.

In addition to standard bearings, engineered solutions for specific customer requirements are
also provided. Depending on the type and design of power plant,
suitable rolling bearings include slewing rings, angular contact roller
bearings, ball screw drives, housed units and radial insert ball
bearings, as well as track rollers. Plain bushes, spherical plain
bearings and linear units are also provided.


Schaeffler has
expanded its range of plain bearing solutions for solar energy
applications. As well as ELGOGLIDE plain bearings, which have proven
themselves over several years now, the product range also includes
metal-polymer composite plain bearings and ELGOTEX plain bearings.

ELGOGLIDE is a sliding layer that comprises a technical woven material with support fibres,
Teflon fibres and a synthetic resin matrix. The advantages of these
bearings are that they are maintenance-free units and offer very high
load carrying capacities, particularly if very high loads are present on
one side combined with swiveling movements.

The unique characteristics of metal-polymer composite plain bearings come from the composite material,
which enables low wear sliding characteristics, as well as high load
carrying capacity and good thermal conductivity. The excellent
formability of the material also enables customer-specific components to
be engineered for various rotary, linear and swivel motions.

The composite materials
used for ELGOTEX bearings are resistant to corrosive media and offer
continuously low friction, low wear sliding characteristics, ensuring
maintenance-free operation. ELGOTEX comprises two intertwined, wound
layers. The internal sliding layer – which is embedded in a resin matrix
with fillers and solid lubricants – is made from synthetic and PFTE
fibres. The external layer comprises continuous glass fibres (filament)
in epoxy resin. A specific winding angle of the glass fibres stabilises
the layer, which significantly increases the strength of the plain
bushing.

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Miners use giant machines to remove coal

2012-11-30 10:53:08 | footwear
Miners use giant machines to remove coal. They use two methods: surface or ground water. Many coal mines in the United States is very close to the surface, and about two-thirds of coal production comes from surface mines. Modern methods of work allows us easy access to most of our coal reserves. Due to growth of the surface and the improved production technologies, the amount of coal produced per miner in one hour has more than tripled since 1978.

Crushing and screening equipment used to produce the majority of coal in the United States because it is cheaper than underground mining. Open pit can be used in charcoal buried less than 200 meters underground. In mining, giant machines remove the top layer of soil and rock layers to expose a large bed of coal. After extraction is complete, the mud and rock back into the pit, the topsoil replaced, and the area replanted. The land can be used for agricultural land, wildlife habitat, recreation, offices or shops.

Underground mining, sometimes called deep mining is used when coal is buried several hundred feet below the surface. Some of the mine is 1,000 meters. To remove coal in these mines, miners ride elevators in deep mines where they operate machines that dig coal.

After coal comes from the earth, as a rule, on the assembly line in the preparation of the plant, which is located at the mine. The plant cleans and processes coal to remove dirt, rock, ash, sulfur, and other unwanted materials, increasing the heating value of coal.

When raw coal is dug from the coal fields or jaw crusher to crush the sales of small to large aggregates of coal, a process commonly referred to as the primary crushing process. Coal large aggregates are not used, so that impact crusher is used to crush aggregates into small particles of coal, such as the size of Pebble. Due to certain coal producers must produce charcoal dust. As a professional manufacturer of crushers, SBM can also supply shredders. Milling of coal used in the grinding of coal in accordance. Take a hammer for example, many small scale producers of coal to a hammer mill. He is able to grind coal 0 ~ 1 mm or less. Production line for large coal cars LM series grinding their requests, and it is good to avoid the dangerous flammability. Details of grinding machines that are used in coal grinding depends on the construction of coal production line.
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