2019929(日)

Which the fusion zone and overheated zone of coarse grains


Which the fusion zone and overheated zone of coarse grains, low plasticity, is the birthplace of cracks and local brittle failure, is the weak link of welded joints. When the reflected wave appears, like tiny cracks waveform waveform characteristics, reflected waves tend to weld bevel edge position of the base metal side, begin to appear along the weld length. According to the organization can be characterized by the fusion heat affected area is divided into zones, overheating zone recrystallization phase transition zone and incomplete recrystallization area. The double-sided submerged arc welded steel pipe weld shear testing probe position and the reflected wave, when transverse beam incident on the surface of some parts of the opposite side of the weld under probe, the reflected transverse and longitudinal wave reflection oriented perpendicular to the surface of some incident special parts, then backtrack along the vertical reflection, forming transverse deformation and deformation longitudinal waves, with the first end of wave (reflected wave fillet) China Chiller Manufacturers together, displayed on the screen in the oscilloscope screen, some just in the groove deformation wave within the scope of the second wave detection, may often be mistaken for the second wave of the defects found.Crystals not only in the secondary weld, the weld also occurs near the base metal region, which are subject to different degrees of heat in the welding process, the Air Cooler Suppliers residence time at different temperatures and then cooled down at different speeds, the finally obtained not identical microstructure and mechanical properties, known as the heat-affected zone.
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. Therefore, the probe can be moved parallel to the weld to examine identification. Microstructure was observed curved white zone and base metal color different parts of the organization was serious zonal distribution, which is one kind of coarse grains because segregation caused.
Because some metallurgical discontinuities will produce uncorrelated signals, so not all defects have said reflected ultrasonic signals, these reflected signals include heat-affected zone of the plane segregation, segregation in the manufacture of this will be reflected. Significant effect on the propagation of coarse grains, so the shear testing, the position of the arcuate white area, the reflected wave signal is generated. Identification method: wave distortion in a wide range, even around the entire weld has. Ultrasound (transverse) alarm beyond the site of sample acceptance criteria, such as thermal etching chemical analysis, carbon arc gouging (carbon arc gouging repair defects observed in ideal) and ray film examination, results caused ultrasound (transverse ) cause of the alarm. According to the situation encountered in testing, ultrasonic reflected wave signal to determine the initial metal element segregation. Such wave easily mistaken for cracks in waves. Steel pipe weld inspection found a seam in the center of the plate thickness, there is a reflected signal appears. Therefore, defects in the heat affected zone (less) issue is different from the weld defects, to deal with more complex, a greater impact on the physical quality of the steel pipe. In the position indicated on the reflected waves, cut the sample for analysis, observed after boiling hydrochloric polished surface after grinding metallographic observation, found no cracks and other defects in ultrasonic testing side of the base metal area found a bright arc White areas, the determination of the curved white zone is greater than the other parts of the ultrasonic attenuation coefficient, indicating that the grain structure of the arc of thick white area, have a significant impact on the spread of ultrasound.
Non-discrimination defect reflected wave reflected signal is due to the non-defective fillet weld and base metal junction reflection in rippled waves generated by the deformation, and therefore it need to accurately adjust the ultrasonic testing equipment to determine the position of the reflected wave generated. Reasons for confirmation signal, select a gouging, carbon arc gouging repair process, the naked eye did not find any defects, welding ultrasonic testing after retesting, the reflected waves are still. Static wave characteristics analyzed, reflected wave signal segregation volatility low and stable, crest sharp, steep wave root stenosis; from the dynamic wave characteristics analyzed, the probe is moved to the reflected wave signal position, reflecting volatility is not high, defect depth appears In the middle of the plate thickness, bias seam edge, when the probe is perpendicular to the weld, move back and forth, the reflected wave will soon disappear, similar to the effects of the sandwich plate weld edge, the probe is moved parallel to the weld, the reflected wave stability can move a certain distance, then gradually disappear



2019923(月)

The alternative when there are no posts


The alternative when there are no posts or trees available is to use a stand. There are no bars keeping it in place and a person is enveloped in the hammock when they get into the sling.
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If you are creating an environmentally friendly garden and are striving to lower your carbon footprint, selecting a unit that is made from recycled materials will be an excellent choice. These types of units are also very popular for mountain climbers because they can be hung from pitons when scaling mountains and are very easy to carry in a back-pack. These units are 84" wide and will usually hold two people. When deciding on the stand that will be best for your needs, it will be important to make sure that the stand is made for the size of the unit you are getting.

Chiller />By rolling it and putting in an air-tight container or bag, you can keep the fibers in excellent condition and protect the hammock from winter damage. Many people find that having hammocks in their yard is a great way to enjoy warm, balmy summers in the shade. The resulting fiber is very soft, strong, and durable. These units are often the most affordable of the units available because they are light, weight less than a pound, and can be hung easily.

Checking all of the different types of units available and trying them out will help you to find the hammock that will be most comfortable for you. The most common material is steel that is treated to withstand any bad weather. Therefore, you can easily leave the stand in your yard during the winter months while storing the unit. Slings are traditionally hung between two trees or posts, however, there are other ways to hang a hammock if you do not have these in your yard or garden.When you are looking for the best hammocks for your garden, yard, or patio, you will have several choices in design and style. While most people think that units are not too different, there are some major differences in how they are made, how you can use them, and which type will work in the area where you want to use it.

Deciding on the location for your hammock will be important before you start comparing units. The Earth-friendly units are manufactured from fiber that is created China Heat Pump Unit from soda bottles. The units are very easy to store in the winter.

A parachute hammock is made from the same nylon that parachutes are made from.



. There are bars at each end of the unit that keep the hammock spread out when you are in it. The hammock stand is very heavy duty and made to support the weight that is in the unit easily



2019916(月)

Water is distributed at the top


Water is distributed at the top, and is allowed to drip down to meet with the air.
Industrial Processes usually produces a lot of heat. Air-conditioning also removes heat from the indoor areas through heat exchangers.

In this design, the shape of the cooling tower is a bottle shape. However, a basic rule has to be made when you want to extract heat from any object, including water. The temperature difference is very important.
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Another important point Air Cooler Suppliers in cooling tower efficiency is how much the water is exposed to the air.

There are several shapes of cooling towers, but they operate on the same principle. If you are not near the sea, you have to use cooling towers to cool down your warm water. Some use fans located at the bottom, some have fans at the top, some have large fans, some make use of several small fans.

The materials used in cooling towers have to be selected to be able to withstand ultraviolet ray exposure from the sun, moisture and other outdoor weather effects. It is fitted with one single large fan to suck the air to create the airflow.

There are basically 2 types airflow patterns in cooling towers:

The cross-flow type of cooling tower makes use of air flowing at right angles to the water dropping down. The fan is heavy and huge. Its speed is usually made lower than that of the motor by the use of reduction gears. Heat has to be taken from a higher temperature source to a lower temperature medium.

If the air is already warm, it will not be able to cool down the warm water.

There may be a few designs.

Folks, be cool!

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The counter-flow type of cooling tower makes use of air flowing in the opposite direction and against the flow of the water.

The characteristic shape of these cooling towers is usually rectangular shape. In one design, water flows out through rotating spreader arms to distribute the water and let it drop through the plastic diffusers evenly. The diameter of the area where the heat exchange takes place is made larger so that more contact surfaces is exposed.

Cooling towers are truly rugged workhorses of industry.htm .



Plastic diffusers designed with wavy patterns are inserted at cooling towers to increase the contact surfaces of the water when it meets with the cooling air stream. However, the fan(s) may also be located at the sides of the cooling tower and the air may be ducted. If the water is allowed to trickle down, and their contact surface with the air is made large, more heat exchange takes place. The fans are positioned so that the air stream flows through the cooling tower from the sides. Depending on the design, Semi-Hermetic Compressor & Condensing Units Manufacturers there may be several small fans installed at the top of the cooling tower.

Cooling towers make use of air currents to cool warm water



2019912(木)

The Global and Chinese Diaphragm Pump Industry


The 'Global and Chinese Diaphragm Pump Industry, 2011-2021 Market Research Report' is an in depth and systematic study of the present state of the global Diaphragm Pump market along with the past trends and performance of the market with special attention given to the Chinese market. The report contains key statistic and factual data on the performance of the market in different economic situations for last few years.
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The report covers the manufacturers and other factors and contributors of the global and Chinese Diaphragm Pump market along with their individual performances, revenue, R&D investments, production value, capacity and other valuable information. The data available in this report will give readers all the details and in sight view of the Global and Chinese Diaphragm Pump market which will help the reader or companies interested in this market to understand and fathom the depth of the industry along with its probable future.

Through the analytical data the report is delivering the market information in the context of capacity, raw materials used, production value, cost/profit, supply demand , import/ export by considering global and Chinese Diaphragm Pump market.

The data is available in the report which carries an estimation of 2016-2021 Global and Chinese Diaphragm Pump market. The market is further divided on the basis of regions, applications, type, individual performers of the market.

The analysis is being done on the status of key players of the Global and Chinese Diaphragm Pump market. These key players are studied in detail to give readers an Heat Pump Unit Suppliers idea about their performances in the market so far, their capital status, strategies used by them to sustain in the market, their probable actions and what are they expecting in future from the market.

In the end report makes some important future proposals and guide reader about the probable profit making actions that can be taken.



Intense Research provides a range of marketing and business research solutions designed for our client’s specific needs based on our expert resources. The business scopes of Intense Research cover more than 30 industries including energy, new materials, transportation, daily consumer goods, chemicals, etc. We provide our clients with one-stop solution for all the research requirements.



201993(火)

The 'Global Piston Pump Industry


The 'Global Piston Pump Industry, 2011-2021 Market Research Report' is the detailed comprehensive analysis of the current state of the global Piston Pump industry with a focus on the Chinese market. The report provides deep knowledge of historical information, forecasts, company profiles, technologies, market drivers, market trends and related parameters within the Piston Pump Industry. The report includes accurate and sharp information on global market which would help to take better decisions and make positive paces for your association to possible micro levels. The report covers various sectors semiconductors, energy, pharmaceuticals, chemical, technology, food and beverages etc.
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In the starting of the report provides overview of the industry including definition, products, applications, technology, its end users etc. Then, the report represents major payers of the Chinese market in at the intentional level. In this part, the report includes company profile, product stipulation, installed capacity, latest trend, competitor’s strategies, shifting product dynamics form the point of view of consumers and 2011-2016 market shares for each company. The reports represent statically data, generated revenue, production capacity, supply and demand, profit and loss, import and export and many more. The further market is segmented on basis of types, products, technology, end user, application, and geography whichever applicable for the competitive China Refrigeration Equipment Manufacturers landscape analysis.

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The report estimates 2016-2021 market resent trends for Piston Pump industry. Our aim provides deep and accurate analysis about the different topics related to Piston Pump industry. The report consists of detailed analysis of upstream and downstream demand, market dynamics, quantitative forecasting and forward-looking insight of the market.In the end, the report use stratified research methodology # for a new project of Piston Pump Industry. The reports strive to serve the overall research requirement of clients for 2011-2021 global Piston Pump industry. It is covering all important parameters to sustain in a competitive edge.


Intense Research provides a range of marketing and business research solutions designed for our client’s specific needs based on our expert resources. The business scopes of Intense Research cover more than 30 industries includsing energy, new materials, transportation, daily consumer goods, chemicals, etc. We provide our clients with one-stop solution for all the research requirements.



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