Patents for F28C 3 - Other direct-contact heat-exchange apparatus (2,686)
07/1992
07/08/1992CN2109536U Filling tower with heat exchanging function
06/1992
06/24/1992CN2108258U Explosion-proof high-efficiency steam-water direct exchanger
06/16/1992US5122309 Porous ceramic water distributor for quenching hot gases and to a method for quenching hot gases
05/1992
05/20/1992CN2105034U Heater using mixed gas-liguid whirl flow for heating in water
05/20/1992CN2105033U Combined steel structure heat exchanger
04/1992
04/28/1992US5108712 Fluidized bed heat exchanger
04/18/1992CA2053389A1 Porous ceramic water distributor for quenching hot gases
04/08/1992CN2101204U Horizontal floating coiled pipe vapour-water heat-exchanger
03/1992
03/25/1992CN2099950U Efflux mixed water supply heater
03/18/1992CN2099290U Heat exchange device in vertical pre-heater
03/18/1992CN1059595A Spurting preheater
03/04/1992CN2097993U Efflux steam silencer
02/1992
02/25/1992CA1296189C Method and apparatus for cooling a hot product gas
01/1992
01/22/1992CN2094018U Novel cooling device for high-temp material
01/22/1992CN2094017U Balanced temp and flow controlling cold and hot water mixing valve
01/15/1992CN2093357U Steam heating silencer
01/01/1992CN2092076U Jet-type direct steam heat exchanger
12/1991
12/25/1991CN1057306A Purification of process gas from partial combustion of black liquor
12/25/1991CN1015204B Mixing heating unit
12/12/1991WO1991019042A1 Process for the preparation of an aqueous solution of sodium compounds
12/11/1991CN2090504U Gravity flow type household steam water heater
12/04/1991EP0459962A1 Purification of process gas from a partial combustion of black liquor
12/01/1991CA2043538A1 Purification of process gas from a partial combustion of black liquor
11/1991
11/27/1991CN2089605U Steam and water mixed heater
11/21/1991EP0456797A1 Process for treating gases.
11/13/1991CN2088679U Quick defreezer
11/13/1991CN1014716B Plant for pyrolysis of waste material
10/1991
10/30/1991CN2087765U Air and water double-cooled type slag-cooling device
10/15/1991US5057130 Centrifugal cooling device
09/1991
09/03/1991US5045246 Suction device
08/1991
08/28/1991CN2083734U Single tube insert type bar-shaped heat exchanger
08/28/1991CN1013641B Method and apparatus for treating process gases
08/20/1991CA1287794C Apparatus for effecting gas-liquid contact
07/1991
07/23/1991US5034029 Apparatus for effecting gas-liquid contact
07/17/1991EP0388471A4 Method and apparatus for indirect evaporation cooling
07/16/1991US5032143 Purification
07/10/1991EP0436140A1 Process and apparatus for cooling a particulate material
07/10/1991CN2080564U Silencing and shock-absorbing device for steam heating
07/09/1991CA1285931C High efficiency sensible and latent heat exchange media with selectedtransfer for a total energy recovery wheel
07/02/1991US5027750 Heat exchanger for suspension of liquid drops in a vapor
06/1991
06/18/1991US5024788 Structure for effecting gas-liquid and part thereof
06/12/1991CN1052185A Reduced pressure steam heat treating device
06/06/1991WO1991008048A1 Process for treating gases, ellipsoidal packing-material granules and their use in the process
06/06/1991CA2046611A1 Process for treating gases, ellipsoidal packing material granules and their use in the process
06/04/1991US5021199 Sieve plate for effecting gas-liquid contact and structure containing sieve plate
06/04/1991US5020333 Method of and means for controlling the condition of air in an enclosure
05/1991
05/29/1991EP0428699A1 Process and apparatus for vapour-phase cracking of hydrocarbons
04/1991
04/30/1991US5011507 Apparatus for cooling and purifying a hot gas
04/24/1991EP0423975A2 Cooling liquids
03/1991
03/13/1991CN2073101U Hydrodynamic cooling tower
02/1991
02/26/1991US4995242 Method of and means for controlling the condition of air in an enclosure
01/1991
01/31/1991DE3925203A1 Tubular radiator for cooling solids - has inserted with surfaces inclined inwards when seen in flow direction
01/29/1991CA1279539C Method of and means for controlling the condition of air in an enclosure
01/16/1991CN2069415U External cooling type cooling tower for blast furnace waste gas
12/1990
12/26/1990CN2068222U Vapour, water direct heat exchanger
12/25/1990US4979313 Process for cooling hygroscopic powder
12/13/1990WO1990015118A1 Process and apparatus for vapour-phase cracking of hydrocarbons
12/12/1990CN1010800B Heat exchanger
12/05/1990CN1047566A Multilayer steam chest hot water boiling-water method and unit
09/1990
09/26/1990EP0388471A1 Method and apparatus for indirect evaporation cooling
09/18/1990US4957657 Process and apparatus for cooling and purifying a hot gas
09/18/1990CA1274086A1 Apparatus for cooling a hot product gas
09/12/1990CN2062033U Rectangle metal shell composite cooling tower
08/1990
08/28/1990CA1273284A1 Gas-liquid mass transfer apparatus and method
08/22/1990CN1009276B Apparatus for cooling a hot product gas
08/08/1990CN1044527A Apparatus for cooling by indirect evaporation of gas
07/1990
07/31/1990CA1272038A1 Cooling method and plant using a cooling fluid from a powder
07/25/1990EP0379461A1 Cooling of hygroscopic powder
06/1990
06/26/1990US4936882 Fluid dynamic cooling tower
06/20/1990EP0373772A1 Structure for effecting gas-liquid contact and part thereof
06/20/1990CN1043095A Sieve plate for effecting gas-liquid contact and structure containing sieve plate
06/20/1990CN1043094A Structure for effective gas-liquid contact and part thereof
06/13/1990EP0372737A1 Sieve plate for effecting gas-liquid contact and structure containing sieve plate
06/06/1990CN1042771A Steam condensing method and its apparatus
06/02/1990CA2003484A1 Sieve plate for effecting gas-liquid contact and structure containing sieve plate
05/1990
05/23/1990EP0368861A1 Method and apparatus for treating process gases.
05/23/1990CN1042412A High temp. ash-dregs cooler of normal pressure boiling furnace
05/17/1990WO1990005274A1 Steam condensing method and its apparatus
05/09/1990CN1007924B Heat exchanger
04/1990
04/24/1990US4919541 Gas-liquid mass transfer apparatus and method
04/12/1990DE3834215A1 Counterflow heat exchanger
04/10/1990US4915712 Evaporative gas cooling system and method
04/04/1990EP0361534A2 Means for controlling the condition of air in an enclosure
04/03/1990US4913854 Water warming method and apparatus therefor
03/1990
03/27/1990CA1266960A1 Filler elements for exchange device between solid particles and a gaseous flow
03/08/1990WO1990002304A1 Method and apparatus for indirect evaporation cooling
02/1990
02/28/1990CN1006986B Apparatus for cooling a hot product gas
02/21/1990CN1039895A Mixing heating unit
02/20/1990US4902303 Separable quench ring and distribution channel for a gasification reactor
01/1990
01/24/1990CN2051728U Gas/water mixing intensified heat exchanging gas purifying apparatus
01/10/1990CN2050962U Multipower source quick water heating device
12/1989
12/20/1989CN2049750U Rotating drum grid type heat exchanger
11/1989
11/29/1989CN2048567U Power saving low noise steam heater
11/08/1989CN2047357U Silent hybrid heat exchanger
10/1989
10/17/1989US4874037 Apparatus for cooling a hot product gas
10/11/1989CN2045836U Aerated water mixing unit
09/1989
09/26/1989US4869162 Counterflow cooler for pellets
09/06/1989CN1035351A Steam-sprayed water-boiling device
08/1989
08/09/1989EP0214216B1 Sparge pipe assembly for fluidised bed
07/1989
07/26/1989EP0325042A1 Fluidized bed reactor
1 ... 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27