Q:Use finned tube condenser and evaporator, its fin spacing of how to choose

Finned Tube, also called fins pipe or Finned Tube, English name is "Fin Tube" or "Finned Tube", also sometimes called the "Extended Surface Tube", namely the Extended Surface Tube. As the name implies, finned tube is on the original surface of the pipe (whether outer surface or inner surface) treatment on a lot of fin, the original surface extension, and form a unique heat transfer element.

Q:Now with wire mesh and steel net two kinds of choices, but the screen is the question of silicone coated on the surface it is difficult to clean, please answer

We also encountered such a problem, we use fixed plate glass, see the stencil is not ideal. Our steel mesh on loud, is to provide the infineon opening files. I don't know how do you do?

Q:Why do you say modern cooking heating equipment is a combination of three kinds of heat transfer?

Modern cooking heating equipment, hot liquid (fire) (containers) bottom heating pan, pan gravy accept the pot from the surface of the hot water, this is the convection heat transfer; Heat from the surface of the pot to the inner surface, the surface or solid food by pan soup heating, heat from the solid ingredients appearance to the internal, is heat conduction; High temperature flue gas (flame) for vessels that is heated by radiation heat transfer at the same time. So modern cooking heating equipment is a combination of three kinds of heat transfer.

Q:How to wash hot water exchanger heat

The simplest is to use clean with weak acid, vinegar, take in and out of the gate with a metal hose, poured the vinegar in a period of time, in the repeated washing. A lot of heat exchanger cleaning methods 1, join in the heat exchanger cleaning liquid circulation, can take some dirt. 2, flush with water cannon directly. 3, the most radical approach is removed all clean.

Q:The types of heat exchangers have?

?the classification of the non-metallic materials heat exchanger (1) graphite heat exchanger (2) the fluorine plastic heat exchanger (3) ceramic fiber composite heat exchanger (4) glass steel heat exchanger

Q:Should be prepared to what kind of equipment and materials and tools and equipment?

The role of the tube plate is heating tube bundle and the tube side and shell side fluid separation. You can keep the swelling down Tube plate and pipe connection or welding. Inflation connection is the use of expansion tube bulge, a significant plastic deformation, to achieve the purpose of sealing fastening between tube and tube plate according to the pressure. Expanding joint method is usually used segment of the carbon steel pipe carbon steel or low alloy steel, the design of less than 4 million mpa pressure, design temperature does not exceed 350 °. It is shell (3) of the head and tube box Head and tube box located at both ends, it is the function of control and distribution of tube side fluid.

Q:How to prevent thermal equipment scale?

After thermal equipment fouling, often caused by poor heat transfer tube wall temperature, when the temperature exceeds the metal can allow temperature, it could cause bulge and pipe explosion accidents. Water boiler water slag is too much, can affect the boiler steam quality, and perhaps blocking furnace tube, threatening the safe operation of boiler.

Q:Rather than directly from the elevated tank set line?

It would be done oil oxidation, don't do that!

Q:What is the difference between diversion in heat exchanger heat exchanger and diversion?

In diversion tube heat exchanger is inside the shell side of heat exchanger tube set up within the guide tube make the before or after the end of the heat exchanger without diverting tube before use hard to make full use of the heat transfer of heat exchange tube, thereby increasing the effective heat transfer area of heat exchanger. The diversion tube used In the floating head or fixed tube plate heat exchanger, and less common in the u-tube heat exchanger.

Q:how to prevent

Boiled eggs in addition to scale Boiling water on the pot, use for a long time scale hard and hard. If use it twice boiled egg, can get ideal result.