HEAT EXCHANGERS THEIR REPLACEMENT

Brand	Owner	Address	Description
KHD	KHD HUMBOLDT WEDAG GMBH	Colonia-Allee 3 Köln 51067 Germany	Heat exchangers and their replacement parts, in particular cyclone heat exchangers, not being parts of machines; counter current flow-calciners and their parts for the transformation of mineral raw materials, in particular for calcining limestone; furnaces and their parts for industrial purposes, in particular rotary kilns and their parts, namely, rotary kiln bearings, rotary kiln sealings, refractory lining for rotary kilns, rotary kiln drives for the cement industry and for mineral aggregate preparation; oil burners for industrial kilns and rotary kilns and for industrial pre heaters for preheating raw meal in the cement production process; coolers and their parts for cooling hot bulk goods, in particular for cement clinker, in particular stepped coolers and reciprocating slat coolers;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A refrigeration-based compressed-gas dryer comprises a group of heat exchangers (10), this group of heat-exchangers including a gas-to-gas heat exchanger (20), an evaporator (30), a condensate separator (50) and at least a refrigerating circuit (40), wherein in said gas-to-gas heat exchanger (20) there is provided a pre-cooling section (22), where heat is exchanged between a mixture of compressed gases to be dried entering said group of heat exchangers (10), and a heating section (24) for a mixture of dried gases exiting a condensate separator (50), wherein in said evaporator (30) there is provided a cooling section (32), where heat is exchanged between said mixture of compressed gases to be dried exiting the gas-to-gas heat exchanger (20), and an evaporating section (34) for a refrigerant medium, where said mixture of compressed gases is cooled down to a desired dew point. According to the present invention, said group of heat exchangers (10) comprises a set of finned or embossed plates (21, 31, 33), which are stacked and joined with each other so as to be adapted to create a number of passages for the counter-current flow and/or cross flow and/or mixed flow of said gases, wherein said group of heat exchangers is provided as a unitary piece.