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& quot; Vacuum degree & quot
in general, with high vacuum degree, high vacuum suction and high proction capacity, the moisture content of filter cake is well controlled. At present, some ceramic filters are equipped with two-stage or multi-stage vacuum system to obtain almost absolute vacuum, which can reach 0.09 ~ 0.098mpa< br />" Material concentration & quot
concentration can change the properties of suspension, because the viscosity of suspension is no longer constant when the concentration reaches a certain value, which belongs to non Newtonian fluid properties. For fine particle suspensions, the cake resistance of low concentration slurry is greater than that of high concentration slurry, so increasing the concentration can improve the filtration performance. Because of the high concentration of concentrate and high treatment capacity, overflow can be used to improve the degree of concentrate. If the concentration of concentrate is too high, the stirring will be affected, and the overflow level can be adjusted to achieve high proction capacity< br />" Material level & quot
with the increase of the material level of the ceramic filter tank, the slurry suction time of the ceramic filter plate in the vacuum area increases, the slurry suction thickness increases, and the proction capacity increases. However, the drying time is relatively short, and the moisture content of concentrate will increase appropriately. Select the best material level to ensure that the proction capacity and concentrate moisture meet the requirements< br />" Spindle speed & quot
as the spindle speed slows down, the cake formation time increases in the vacuum area, and the proction capacity increases graally. However, because the pulp thickness per unit time is not directly proportional to the spindle speed slowing down, the proction capacity of the ceramic filter is the highest in a certain range
on the other hand, as the spindle speed slows down, the thickness of slurry absorption increases, which also affects the moisture content of concentrate. For viscous materials, when the ceramic filter starts to work, the ceramic plate is used as the filter medium. When the filter cake is formed, it graally turns into the porous filter medium with the filter cake itself. However, the filter cake of viscous materials is not easy to form, the dry filter cake can not be formed on the surface, and the spindle speed becomes slow, which is easy to rece the moisture content of the concentrate. In the same way, with the increase of spindle speed, the formation time of filter cake in vacuum area is shortened, and the thickness of slurry suction is reced, which can improve the proction capacity of easy forming materials. However, it is not easy to clean the ceramic plate in each cycle when the spindle speed is too fast. For viscous materials, it is not easy to form filter cake when the spindle speed is accelerated, which will affect the proction capacity. Therefore, the use of ceramic filter should be aimed at the inherent properties of concentrate to explore the best spindle speed< br />" Stirring speed & quot
the mechanism of slurry absorption of ceramic filter is that the particles move under the action of vacuum force, and the stirring speed is faster, which affects the slurry absorption of fine particles. For easy settling slurry, the stirring speed should be increased to prevent the slurry from settling on the one hand, and to facilitate the adsorption of particles on the other. Generally speaking, the stirring speed of viscous materials, non settling materials and finer particles is slower, while that of sandy materials, settling materials and coarser particles is faster< br />" Scraper clearance & quot
as the ceramic filter adopts non-contact discharge, the smaller the gap between the scraper and the ceramic filter plate, the more filter cakes scraped per unit time, and the higher the proction capacity. Therefore, the scraper gap can be adjusted if conditions permit. There is a gap of about 1 mm between the scraper and the ceramic filter plate to prevent mechanical wear and prolong the service life< br />" PH value & quot
pH value affects the potential of particles, thus affecting their fluidity. Changing pH value according to the properties of materials can effectively improve the proctivity of ceramic filters
temperature
generally, the higher the temperature is, the lower the viscosity of liquid is, which is more concive to improving the filtration speed, recing the moisture content of filter cake or sediment, and recing the viscosity of slurry can improve the treatment capacity.
The common currency of Uzbekistan is Uzbek summ
uzbeksum is the currency in circulation of Central Asian country Uzbekistan. ISO 4217 number uzs
A new version of the currency was issued on July 1, 1994. One sum of the new currency is equivalent to 1000 old sumsin the Soviet Union, speakers of Kazakh, Kyrgyz and Uzbek called the rule the SOM, and this name appeared written on the back of banknotes, along the texts for the value of the bill in all 15 official languages of the union.
speakers in the Soviet Union, Kazakhstan, Kyrgyzstan and Uzbek called the ruble som, The name appears on the back of the bill, in all 15 official languages of the union
The word som (sometimes transliterated " sum" or " soum") means " pure" in Kazakh, Kyrgyz, uyghur and Uzbek, as well as in many other Turkic languages. The word implies " pure gold"
SOM (sometimes transliterated as "sum" or "soum") means "pure" in Kazakh, Kyrgyz, Uighur, Uzbek and many other Turkic languages. This SOM is subdivided into 100 tiyin. At its introction, 1 U.S. dollar was equal to 7 som.
on July 1, 19943, a second SOM was introced at a rate of 1 new SOM = 1000 old som, The second SOM is introced at the rate of 1 new SOM = 1000 old SOMs. This Somme is broken down into 100 tiyin. At the time of launch, one dollar was equal to seven SOMs
The first series was written in Cyrillic script, while the second series is written in Latin script.two series of coins have been issued for the second som. They can be easily distinguished by scripts used in Uzbek. The first series is written in Cyrillic and the second series in Latin
there is very little information about Uzbekistan's first husband. Ziluoathong hosimova grew up in a religious and very rich family. Her nickname at home is oyhong
oihon mahmoudovna was born in Hohan, Fergana. Graated from agricultural irrigation and mechanization college. Aoyihong's academic performance is excellent, and he met his future husband in University. Shafkat mirziyoev was then Secretary of the Youth League Committee of the college
the parents of oyhong are both devout and strict, and they are very strict with their children's ecation
oihon mahmoudovna is very approachable and loves technology, ecation, literature and art
shafkat mirziyoev and ziroathong hosimova have three children: two daughters and one son.
this kind of situation is not a big problem in one country. If it occurs between two or three countries, we should pay attention to the differences (including the spelling form) and avoid confusion. Since the name of some countries contains the word "Stan", such as Pakistan, it has the extended meaning of "country". In the 1990s, with the appearance of the five Central Asian countries which all use "... Stan" as the word formation component of their country names, this extended meaning is more prominent and more noticeable. Some people even think that "Stan" means "country"
in a word, the meaning of "Stan" is no more than "region", "province (region)" and "country". In the past, it was generally used to refer to large geographical entities, but rarely used by others. However, the situation is always changing. Over time, the name of the city also contains this element. For example, there is a city in central and southern Kazakhstan called Turkestan (in South Kazakhstan); In addition, Iran, Kazakhstan and Pakistan each have a town called Gulistan, but there are few such examples.