How should rolling Scroll Chillers choose?
Scroll Chiller in the industrial production as the main core of circulating water heat, in China's industrial production in China's industrial production costs and efficiency. Scroll Chiller in industrial production inappropriate use, it will cause the equipment is not timely cooling, production stagnation, the water temperature is too high and so on. Scroll Chiller filler is the main factor to promote the hydrothermal cycle, therefore, to choose high-quality Scroll Chiller fillers.
First, the cross-flow Scroll Chiller standard size
The distance between the top of the Scroll Chiller and the lower end of the fan should be 1.2 times the diameter of the fan.
Second, the counter-current Scroll Chiller standard angle
1, in the construction of counter-current Scroll Chiller, the top of the filler and the air flow into the sense of control should be within 90 degrees, the use of flat roof, under the diversion ring, the collector and the air flow into the corner control in the 90-120 Between degrees.
2, the contraction of the top of the tower, the contraction of the roof of the crown should be controlled between 90-110 degrees.
3, water filler angle control in the 5-8 degrees between.
4, in the use of the process, in order to prevent the air and the bottom of the filler to the surface of the short circuit, should be set aside the flow of spare measures.
Third, the Scroll Chiller filler should be how to choose:
1, Scroll Chiller filler type of choice to consider the separation process requirements, usually consider the following aspects:
(1) high mass transfer efficiency In general, the regular packing mass transfer efficiency is higher than the bulk filler.
(2) flux should be in the premise of ensuring a higher mass transfer efficiency should be selected with a high pan-gas or gas-phase kinetic energy of the filler.
(3) the packing layer pressure drop is low.
(4) filler anti-fouling performance, disassembly, easy maintenance.
2, the choice of filler:
Temperature drop, air flow resistance is small, cheap, hydrophilic, and can make the water flow slowly, easy to film, have sufficient heat exchange time, high thermal efficiency.
3, the filler is a key part of the Scroll Chiller heat transfer, tower gas, water heat exchange process is mainly completed in the water filler, so
The main factors that affect the cooling effect of the Scroll Chiller by the heat and drag characteristics of the ladle.
And the quality of the filler material will affect the use of Scroll Chiller filler is the core of the Scroll Chiller, which plays an irreplaceable role in the operation, Scroll Chillers due to wind and sun, the surface aging.
Deformation, the entire packing density loose, so that the cooling water can not make full use of filler cooling. Heat exchange blocked, so that Scroll Chiller cooling less than the best results.
4, the filler is the core of the Scroll Chiller part of the heat transfer efficiency is directly related to the quality and design of the filler to a large extent directly affect the Scroll Chiller cooling capacity. According to authoritative information, in the entire Scroll Chiller heat transfer ratio, the filler accounted for 60% to 70%.
5, the filler is generally made of uneven PVC or PP material, hydrophilic performance is better, but also to ensure that the cooling water in the filler on the formation of water film and water droplets, rather than water, such a Scroll Chiller filler can be very good Enhance the water vapor exchange area, extend the exchange time of air and water to ensure the cooling effect. So, high temperature Scroll Chiller filler is how is it?
6, in many modern production processes, the equipment used, the circulating cooling water outlet temperature is relatively high (60 ℃ above), and the water temperature needs to reach 32 ℃ ~ 37 ℃, then the temperature difference is more than 30 ℃ Big. Under such conditions, Scroll Chillers need to bear long-term high temperature water erosion above 60 ℃, and the general material of the Scroll Chiller filler, the temperature of up to 40 ~ 50 ℃, more than this temperature will be deformed filler, Shrinkage causes the chute chiller to reduce heat transfer efficiency.
7, then this time, high temperature Scroll Chiller fillers come in handy, and it uses high temperature PP, wood or ceramic and other materials, 100 ℃ high temperature circulating water environment can be used for a long time without contraction Deformation.
The following for everyone to recommend a Scroll Chiller most commonly used high temperature filler - Ling Yi oblique oblique filler.