hammer crusher rotor and spindle

Posted on May 15, 2012 by admin

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First, the straightening force applied is not excessive force to prevent spindle collapse in at the crack hidden;
 
Second, when the bending amount should be divided into several straightening;
 
Third, the correction value should be appropriate to more than axis bending value to eliminate the springback deformation axis in the straightening force is removed;
 
In straightening with the straightening force to stay for some time, at the surface of the shaft along the axial plane with a small plumb bob gently beat in order to eliminate the internal stress to prevent deformation straightening after ;
 
Fifth, in the straightening process, the axis bending values ??should continue to be measured, until you meet the standards. Ie, axis in the 200-300, the bending value should not exceed 0.06mm after straightening of the shaft, the bend shall not exceed 0.1-0.15mm.
 
Spindle as the main parts of the crusher, the traditional way, check and optimize the design, the process complicated. Technical staff through the manufactured products on a variety of materials broken broken tracking service, provide a reliable basis to re-design and modification. Analysis results to evaluate its performance, and on this basis, reasonable structure size, optimized to reduce the quality of the main axis of the hammer crusher, while maintaining its strength and stiffness.
hammer crushers

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the city s solar energy projects

Posted on May 10, 2012 by admin

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, why profits slow First product reasons. At present, the use of solar thermal vacuum tube solar and flat panel solar

carve wants the city engineering market to grab market cheese for collective installation of multi-storey buildings, the other is for high-rise buildings or

for special purposes, but mixed products, no uniform standards and specifications wall vacuum balcony, split solar energy; tank macroporous vacuum

tube solar; flat balcony hanging solar energy; tablet windowsill sun solar energy, have appeared, many consumers feel the fish, miscellaneous mixed, a

aspect of the many obstacles of a unified installation missed a lot of solar energy and high-rise buildings, the other hand, consumers face a choice

"helpless" and "non-professional" so that they appear to selectively lost, product specifications and harmonization of standards seriously affect the solar

energy and building integrated solar energy in the engineering market in the city.

    Second, for technical reasons. Since solar energy is dependent on the weather continued rainy weather will definitely affect the normal use of the

family, but is also very important for high-rise buildings, security risks, Therefore, if the heat absorption efficiency of the product, continuous

insulation, lightning, appearance modeling, and other aspects of further technological innovation, the promotion of solar energy in urban engineering

will be accelerated.

    Personnel reasons. Technical personnel and marketing personnel, technical personnel in the solar and building industry, there are still some of the

disharmony and harmony, understand the architectural design are not proficient in solar energy, to understand the design of solar energy do not

understand, and thus meet the technical lack of talent the same time, marketing talent, many developers of solar energy is not very understanding,

and many marketers of project marketing and project marketing deep understanding of many companies lack the training and culture, This also

caused some asymmetry.

    Fourth, publicity reasons. At present, the industry, the media or the public mainstream media, the marketing of municipal solar project is not in

place, many of them will focus on targeting the level of home appliances to the countryside, the rural market, the lack of publicity of the engineering

market guide in the field of building energy efficiency, solar thermal water and heating works publicity and mention is not enough, the correct

guidance of public opinion and publicity will boost the development of urban solar solar cities project.

    Fifth, the policy reasons. At present, the province and municipalities, in addition to Beijing launched the activities of the sun into the campus, a full

subsidy to the urban campus solar project, the rest are engaged in some demonstrations and some key subsidies, not to the PV intends to carry out

financial subsidies, but also in building energy efficiency demonstration, the policy level, the solar energy in the main catalog, but during the second

five, I believe that the urban market will promote the solar energy and building integrated policy levers to promote solar energy with the construction

of the organic combination.

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the use of solar thermal Analysis of an economic attributes of its business strategy

Posted on May 10, 2012 by admin

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 economic attributes of solar thermal industry

    Understanding of the use of solar thermal, there has always been the two major misunderstanding.

    Mention First Solar, the first thought is a photovoltaic solar power, which is commonly referred to, in fact, the use of solar thermal and photovoltaic

belong to two different industries, with different industrial system, it is like football and basketball, although all ball sports, but are independent of

individual industries, can not be equivalent.

    Another misunderstanding is that the use of solar thermal is the most common solar water heater should belong to the appliance industry, and

indeed of solar water heaters from all aspects of the production, sale, service, marketing, terminals and other similar appliance industry, but it does

not put solar thermal utilization attributed to the appliance industry, the scope and areas related to the use of solar thermal wider wider than the

appliance industry.

    Therefore, we need to have an understanding of solar thermal utilization neither equivalent to the PV, not included in the home appliance itself is

intact a separate industry. So, solar energy heat utilization industry and photovoltaic industry and the appliance industry attribute the difference

between Where is it?

    1, with the difference of the electrical appliance industry

    Comparison with the electrical appliance industry, especially solar thermal utilization of the \"project\" and \"new energy\", but also with the nature of

the home appliance industry.

    The appliances are generally single sales, personal or family use, in the use of solar thermal solar water heater products, except for a single sales,

engineering market in solar thermal utilization accounts for a large proportion, such as: civilian collective works, hotels and other public buildings,

commercial projects, industrial enterprises in thermal engineering, solar heating projects, thermal power generation projects. It is not the face of the

home appliance industry, general consumers, but the public collective organization or government, and home appliances compared to stand-alone

sales accounted for a small.

    The performance of the \"new energy\" in the course of which the solar water heater is energy-saving products and appliances are energy-intensive

products; solar thermal utilization in different conditions and environment to work, use of solar thermal to rely on the sun, while the appliances and

home appliances rely on the current, perhaps in the near future, the work of operation of home appliances to achieve is to rely on solar power or

solar thermal power generation.

    2, with the difference of the photovoltaic industry

    And photovoltaic, solar thermal utilization of the \"market\". The solar energy heat utilization industry to rely on the birth of the market demand and

market their operations, have penetrated into the civilian work with, business affairs with other fields, is a market-oriented industry. Fundamentally

speaking, the market demand is the fundamental driving force of the solar energy development. PV promotion of 90% still rely on government

policies, subsidies and mandatory. In the use of solar thermal use of not only into the household, truly close to real life, and is to the commercial,

industrial aspects of development, and even solar thermal power generation or in part of the industry will be a period instead of PV The main ways to

convert solar energy into electrical energy.

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Solar thermal use of the Analysis of an economic attributes of its business strategy

Posted on May 10, 2012 by admin

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 economic attributes of solar thermal industry

    Understanding of the use of solar thermal, there has always been the two major misunderstanding.

    Mention First Solar, the first thought is a photovoltaic solar power, which is commonly referred to, in fact, the use of solar thermal and photovoltaic

belong to two different industries, with different industrial system, it is like football and basketball, although all ball sports, but are independent of

individual industries, can not be equivalent.

    Another misunderstanding is that the use of solar thermal is the most common solar water heater should belong to the appliance industry, and

indeed of solar water heaters from all aspects of the production, sale, service, marketing, terminals and other similar appliance industry, but it does

not put solar thermal utilization attributed to the appliance industry, the scope and areas related to the use of solar thermal wider wider than the

appliance industry.

    Therefore, we need to have an understanding of solar thermal utilization neither equivalent to the PV, not included in the home appliance itself is

intact a separate industry. So, solar energy heat utilization industry and photovoltaic industry and the appliance industry attribute the difference

between Where is it?

    1, with the difference of the electrical appliance industry

    Comparison with the electrical appliance industry, especially solar thermal utilization of the \"project\" and \"new energy\", but also with the nature of

the home appliance industry.

    The appliances are generally single sales, personal or family use, in the use of solar thermal solar water heater products, except for a single sales,

engineering market in solar thermal utilization accounts for a large proportion, such as: civilian collective works, hotels and other public buildings,

commercial projects, industrial enterprises in thermal engineering, solar heating projects, thermal power generation projects. It is not the face of the

home appliance industry, general consumers, but the public collective organization or government, and home appliances compared to stand-alone

sales accounted for a small.

    The performance of the \"new energy\" in the course of which the solar water heater is energy-saving products and appliances are energy-intensive

products; solar thermal utilization in different conditions and environment to work, use of solar thermal to rely on the sun, while the appliances and

home appliances rely on the current, perhaps in the near future, the work of operation of home appliances to achieve is to rely on solar power or

solar thermal power generation.

    2, with the difference of the photovoltaic industry

    And photovoltaic, solar thermal utilization of the \"market\". The solar energy heat utilization industry to rely on the birth of the market demand and

market their operations, have penetrated into the civilian work with, business affairs with other fields, is a market-oriented industry. Fundamentally

speaking, the market demand is the fundamental driving force of the solar energy development. PV promotion of 90% still rely on government

policies, subsidies and mandatory. In the use of solar thermal use of not only into the household, truly close to real life, and is to the commercial,

industrial aspects of development, and even solar thermal power generation or in part of the industry will be a period instead of PV The main ways to

convert solar energy into electrical energy.

    Review process of the use of solar thermal market, in China\\ s solar thermal industry is burgeoning in the laboratory of the last century in the late

1970s, the U.S. federal government and local governments have begun to have issued a series of laws, regulations, tax credits, subsidies on

production credit guarantees, information loan a variety of ways to support the development of new energy such as solar, Germany, France, Italy,

Spain and other European countries were also all kinds to promote the development of solar energy industry to encourage policy promulgated in the

1990s.

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Economic attributes of solar thermal use of solar thermal utilization industry is divided into three-dimensional

Posted on May 10, 2012 by admin

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 space of the field of industrial use

combined heat production standards, using low-temperature solar thermal, solar thermal utilization in the moderate use of solar thermal high

temperature. Judging from the heat production standards, the use of solar thermal heat temperature 0 ℃ ~ 80 ℃ is the solar thermal use of low

temperature; 80 ℃ ~ 250 ℃ is the use of solar thermal in temperature; belong to the use of solar thermal high temperature above 250 ℃. Field of

use from the industrial point of view, the use of solar thermal low temperature applicable to the field in hot water, solar thermal utilization of

temperature applies to the thermal field, solar thermal high temperature applicable to the thermoelectric field.

    Solar thermal use of the product categories of the three-dimensional point of view not only to each other a little difference, the same appliances

and PV difference.

    The use of solar thermal low temperature the main market is the civilian market, solar water heaters and solar hot water system project is the

most popular use of solar thermal low-temperature products, its business strategy, marketing science and civilian products, a major role for the

national livelihood, a variety of performance properties similar to the appliance industry, but with the photovoltaic industry is completely different.

    A major role in the use of medium temperature solar thermal in the commercial market and the industrial enterprise market, its product categories

across the hot water and heat, mainly for public units and industrial enterprises, its business strategy, marketing-based science and engineering, the

current work, the supplier market solar thermal use of the urgent needs of medium temperature, its value is effective for energy saving and

consumption reduction, increase the efficiency of industrial processes, manifestations and the appliance industry, the photovoltaic industry are

completely different.

    Use of solar thermal high temperature market a major role in the current situation in the \"political market\", which means that its promotion and

development of the national macro-deployment, its products category is thermoelectric, the main customer base is mainly in government various

departments in today\\ s energy crisis environment, the entire country and even the earth are in urgent need of new clean energy, and its value in the

actual situation and to achieve a wide range of energy saving, the phase of the business strategy is based on national mainly of high-level segment of

the guidance and technology marketing. Performance similar to the situation and photovoltaic completely different, but with the appliance industry.

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Solar thermal use of the economic attributes of the business location is different from the single

Posted on May 10, 2012 by admin

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market of household electrical appliance enterprises,

enterprises have a general homogenization of the business model. The use of solar thermal companies first must be based on solar thermal use of

multiple attributes of the market, according to their own resources for their own personalized business model positioning; Second, the government

subsidy model is different from the PV, solar thermal companies must be based on market demand pure shipped to market-oriented. In summary, in

view of the solar energy heat utilization industry division of the three-dimensional space and its own unique economic attributes, the use of solar

thermal manufacturers should identify their own positioning combined with its own level of development and overall strength, the only way to make

itself and the entire solar thermal using industry step by step to the normal development.

    Economic attributes of solar thermal utilization, the traditional use of solar thermal companies can be roughly seven business location:

    A large enterprises: scale, three-dimensional operation

    Such enterprises is the representation of companies in the solar thermal industry, in terms of manpower ratio, and overall economic strength,

brand influence or high-end, long-term point of view at the industry forefront of their position that contains the entire solar energy heat utilization

three-dimensional space of the low and high temperature, according to market demand and industry development of the products of three-

dimensional space to adjust its production, the proportion of the marketing system, and at some point will play the guiding role of the entire industry.

    Class B in the enterprise: the brand is king, cross-border business

    Cross-border products for civilian use and public goods, in such enterprises involved in solar thermal utilization of low-temperature field and

temperature field in the section, these companies usually have high brand awareness, brand have a certain influence, and have the ability to have the

resources to cross-border business. But in the hundreds of billions of solar thermal use in the market of the market at low temperatures and little in

the temperature occupy a more important proportion of the main enterprise of the solar thermal industry. For its cross-border operating

characteristics of such enterprises are involved in civil and workers with two types of market, will develop two marketing methods, the construction of

two complete teams to achieve profits through two types of channels.

    Class C integrated SME: a single king, the whole operation

    Comprehensive strength of a relatively small manufacturing enterprises, limited to its strength and expertise is only in use of solar thermal products

for civilian use and sales, engineering and sales, and never the two major areas of cross-border products for civilian use and engineering, or an

extension of the high temperature. Such enterprises in a relatively stable state, the annual production and sales of float is not the class has a greater

number of enterprises in the Chinese solar energy heat utilization industry, their extensive product range of the low temperature the field of solar

thermal industry also contributed to the development of the solar energy industry.

    Class D SMEs: circulation is king, commerce business

    Such enterprises and the different points of the C-class enterprise is no production workshop, not their own manufacturing, the form of OEM

products for civilian use marketing or engineering marketing. Usually have more advanced marketing methods and marketing channels, although there

is no production costs and pressure, but it will be the kinds of risk can not absolutely control the production time, product quality and price. Class E

integrated small and medium-sized enterprises: the edge of a farm is king, the regional business

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Greek ten-year investment in solar PV power plant or ran aground in Greece last year

Posted on May 10, 2012 by admin

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 announced a plan to want to attract the investment of

more than 20 billion euros over the next decade, to create Europe s largest solar photovoltaic power plant, to take to promote its recession economy

and help to reduce the huge debt. The name of the Greek Titan, named "Titan Project", the goal is the Greek solar PV installed capacity from

206MW in 2010 to 2.2GW in 2020 to 2050 to achieve 10GW installation. Greece hope the majority of photovoltaic electricity is sold to the countries

of Central Europe, in particular, is intended to replace nuclear energy with renewable energy in Germany.

    German Deputy Minister of Energy Jurgen Becker said at the Athens meeting, Germany, first to develop our own solar photovoltaic power

generation capacity before considering any import. He said: "Unless beneficial to expand our renewable energy capacity, we will consider the import

of renewable electricity as a supplement." In the long run, imports of solar power may be an option for Germany s future energy, but in Berlin "Titan

Project" also do not want to replace their own development. Sell ​​any electricity to Germany, Greece also needs to slash to pay the guaranteed price

of solar photovoltaic and below the German level, while in the solar photovoltaic power generation to ensure that half of the price Germany Greece

Becker said. Germany has also recently cut the subsidies of solar power to curb the surge in solar projects.

    For cash-strapped Greece is concerned, requires foreign investors to invest in the Titan project, "Greece will be committed to the leasing of state

-owned land and no administrative law burden conditions. In the structure of the Greek energy system, solar power is only a small part of its

renewable capacity is wind power, about 8% of the total electricity demand in Greece.

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Family Know matter the water heater maintenance skills a family house wiring

Posted on May 10, 2012 by admin

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, proper grounding, and grounding resistance value shall not

be greater than 4Ω. Household outlet, single-phase power or three phase power, the ground must be ground link and the power outlet grounding

pole does not allow empty.

    Electric water heater is equipped with sockets should be dedicated outlet with ground fixed, can not use a mobile power strip. Outlet structure,

capacity, and jack size should match the power plug and electric water heaters. The outlet should be placed in the water heater outlet above the

horizontal position, to avoid water splashing and risk of short circuit.

    In the use of electric water heaters, not through the switch on the socket shutdown power off outlet power leakage protection plug does not

work, in the event of earth live, fault can not provide protection.

    4 weekly check press leakage protection plug "test" button to confirm leakage protection plug to work properly.

    Outside of the maintenance and cleaning the water heater should cut off the power, do not use water spray, need to use a soft cloth.

    (6) If the power cord is damaged, avoid danger, you must use the manufacturers have to provide a dedicated power supply line, by the

maintenance department or similarly qualified persons to replace.

    The service life of electric water heaters shall not exceed six years, such as more than life to continue to use, there will be security risks, the need

for timely replacement.

    Water heaters in use after a certain time within the formation of a large number of scale when the scale thickened to a certain extent, not only to

extend the heating time, but also of collapse, some damage to the liner, so that the heating time, the hot water out of the water to reduce .

Electric water heater drain valve, you need professionals to clean.

    Liner to be cleaned once a clean way is to turn the power off, close the inlet valve, then open the outlet valve, the safety valve on the plastic

drainage ear counterclockwise reversal of 90 degrees, natural row of the net water heater water and remember when the season sediment. And

then irrigation water cleaning, cleaning finished, and then drain the ear back into place, pay attention to the first filled before electricity.

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good gas water heater industry brand

Posted on May 10, 2012 by admin

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, the market concentration strengthening of domestic brands has been the increased focus on

    Internet Consumer Research Center (ZDC) 2011 annual gas water heater market research report shows that the concentration of gas water

heater market, the brand is continue to strengthen the brand attention, showing the trend of polarization among the top 10 brands concern about

the proportion has reached 98.4%, of which domestic brands accounted for eight seats.

    The data show that in 2011, gas water heater market, and MACRO, respectively, 31.8% and 22.1% the proportion of concern among the brands

list crown, runner-up, concerned about the share of accumulated over half, prominent market position. The United States, the AO Smith, Haier were

ranked 3-5, concerned about the proportion of 10.6%, 9.0% and 8.9% respectively. Among the domestic brands accounted for nearly 90 percent of

the attention, foreign brands only the list of AO Smith and Ariston, the domestic brand advantages are clear.

    "Strengthen the dominant position of domestic brands, thanks to the local leading enterprises in R & D technology matures, the optimization of

product layout and channels to promote the improvement. Discontinued flue machine to promote the condensation machine makes local advantages

can be fully reflected." According to industry experts introduction, on the one hand, while gradually being eliminated in the backward products, and,

MACRO, the United States, the forest, the rate of energy, Haier and many other companies have to push hot condensing gas water heater available.

On the other hand, such as the U.S. appliance giant Haier s strength to enter the field of gas water heater, with a strong brand pull and capital

investment, expansion of production capacity base; in the cold background of the real estate market, speed up the upgrading of their products.

enhance the industry more competitive, while also enhancing the overall strength of domestic brands. In 2010, the world s leading kitchen

manufacturing base in America, built in Wuhu base once the focus of the industry event. In the United States, Haier is also news from the Wuhan as

the localization of production base, the achievements of a strategy of Haier Chongqing Industrial Park, where it ignited a prairie fire of the gas water

heater.

    It is understood that in order to accelerate the upgrading of products, Haier water heater recently accumulated launched more than 500 sets of

water heater solutions for consumers in the perfect bathing experience. With the water heater age service hazards frequent, with differentiated

product solutions, Haier water heater is set off boom replacement by the surge of the water heater market.

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Do not many people map fast or convenience

Posted on May 10, 2012 by admin

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, the direct use of hot water pipes in the water for cooking or boiling water to cook with solar water

heaters, water Electric water heaters and gas water heaters, built-in water tank and pipe after prolonged use, metal corrosion and debris deposits

flowing out. In addition, there will be a scaling phenomenon, the water temperature rises, the scale of heavy metals may cause leaching. Often use

this water for cooking will cause the digestive, nervous, urinary, hematopoietic, circulatory system disease.

    More serious problem of water flowing in the solar water heater. The water heater installed in the roof of the pump of water use in advance to

play up after a set can take control of the heat exchange water heating. This is equivalent to a high-rise buildings the roof of the high water tank,

high water tank to be cleaned regularly, otherwise the metal corrosion, microorganisms and their metabolites will pollute the water. The heat

exchange is a process, water is also relatively long residence time in the same phenomenon occurred in similar high water tank, generally but not

washing procedures, so the water is not suitable for drinking or for cooking.

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