What about industry position of HONGJI?
2019-09-15
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How is the cement used in construction produced? What is the raw material? Cement is finely mixed by limestone, clay and iron ore powder in proportion,The mixture at this time is called Raw Meal.Then carry out the roasting,The general temperature is about 1450 degrees,The product after roasting is called clinker.Then grind the clinker with the plaster,Mix in proportion,It is called cement.Production method the production process of Portland cement is representative in cement production,It is mainly made of limestone and clay,Raw materials are made from crushing, ingredients, and grinding,Then feed the mature material into the cement kiln,Then grind the clinker with a proper amount of gypsum (sometimes mixed with mixed materials or additives.Cement production is different with the preparation method of raw meal,It can be divided into two types: dry method (including semi-dry method) and wet method (including semi-wet method.1 Dry production.Drying and grinding the raw materials at the same time,Or the metho

Why is the water in the homemade filter bucket running out? Filter on?Is the location of the water too low,There is also no water for pumping.The water level of the main cylinder above is drained by overflow,So the water level is fixed,The filter bucket below will only be replenished until it does not overflow.There is a good filtration device in the fish tank,Only by keeping good fish and changing less water.First, the filtering methods mainly include physical filtration, biological filtration, chemical filtration, etc.Two, there are many types of filters in the form of filters,For example, air lift biochemical cotton filter, bucket external filter, top filter of aquarium, fish tank filter with shape, etc.III. features of the filter 1. air lift biochemical cotton filter sucks biochemical cotton into the upper air pump or water pump without a bottom connection,The flow of gas in the water drives the flow of water to circulate in biochemical cotton.The residual bait, biological excrement and other organic subs
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