| Patents for F27B 1 - Shaft or like vertical or substantially vertical furnaces (4,707) |
|---|
| 08/11/1993 | CN1075201A Circulating fluidized bed furnace for pre-reduction of fine iron ore |
| 08/10/1993 | CA1321070C Melting furnace |
| 08/04/1993 | EP0554022A2 Operation of vertical shaft furnaces |
| 08/04/1993 | CN2139682Y Well type electric heat treatment stove |
| 08/01/1993 | CA2088438A1 Operation of vertical shaft furnaces |
| 07/28/1993 | CN2139256Y Waste heat full-self-recovery type industrial furnace |
| 07/28/1993 | CN2139255Y Self-heating high-temp air feed cupola |
| 07/21/1993 | CN1074425A High-yield vertical kiln and its energy-saving technology |
| 07/14/1993 | CN2138282Y Spray-pipe air preheater |
| 07/14/1993 | CN2138281Y Sliding vehicle furnace |
| 07/07/1993 | CN2137775Y Lower-flue reburning type heating kiln for forging |
| 07/06/1993 | US5224985 Process and apparatus for the melting of metals in the cupola furnace operated without coke |
| 06/30/1993 | EP0548182A1 Metal-melting furnaces. |
| 06/30/1993 | CN1021481C Installation for charging shaft furnace |
| 06/23/1993 | EP0548041A2 Electric furnace arrangement for producing steel |
| 06/23/1993 | CN2136969Y Fluidization calcining apparatus for terra alba |
| 06/23/1993 | CN1073519A Horizontal quick drying kiln without fuel |
| 06/23/1993 | CN1021365C Air supply preheater for vertical lime kiln or similar kilns |
| 06/23/1993 | CN1021364C Energy-saving mechanized vertical kiln for cement manufacturing |
| 06/16/1993 | CN2136443Y Expansion compensator for blast cupola |
| 06/13/1993 | WO1993012396A1 Melting apparatus and method |
| 06/13/1993 | CA2101529A1 Melting apparatus and method |
| 06/09/1993 | EP0545782A1 Pneumatic device for the distribution of powders in an annular section and furnace using it |
| 06/09/1993 | CN2135758Y Material closing controlling measurer |
| 06/08/1993 | US5217658 Cooling by feeding liquid nitrogen while removing slag from interior wall, then coating a refractory linings |
| 06/02/1993 | CN1021078C Adjustable powdered coal feeder for spraying coal in blast furnace |
| 06/01/1993 | CA1318486C Repair of the refractory lining of the wall of a shaft furnace and a repaired shaft furnace |
| 05/26/1993 | CN1072494A Automatic blast system for furnace and kiln |
| 05/26/1993 | CN1072459A Electric furnace arrangement for producing steel |
| 05/18/1993 | US5211555 Melting apparatus and method |
| 05/18/1993 | US5210962 Vertical shaft processor |
| 05/12/1993 | CN1072012A High-temp blast heat exchanger for cupola furnace |
| 05/11/1993 | US5209657 Device for injecting preheated air into a shaft furnace and process of manufacturing ball-and-socket joints |
| 05/05/1993 | CN1071749A Heat treatment device for block or grain shaped material |
| 04/28/1993 | CN2131081Y Dual firing drying oven for electric static spraying |
| 04/28/1993 | CN2131080Y Rapid-firing cement kiln |
| 04/28/1993 | CN2131079Y Vertical kiln with double-storey shafts |
| 04/28/1993 | CN2131078Y Vertical cement kiln |
| 04/27/1993 | US5205979 Automatic controlling device of burners of a shaft furnace utilizing fuzzy logic |
| 04/20/1993 | US5203063 Device for mounting and dismounting shaft furnace tymps |
| 04/07/1993 | CN2129399Y Kiln door of cement product steam curing Riln |
| 04/06/1993 | CA1315544C Machine for drilling tapholes of a shaft furnace |
| 03/31/1993 | CN2129006Y Equipment for emtage and mixing of different materials |
| 03/23/1993 | US5196050 Weighing |
| 03/17/1993 | CN2128370Y Heat exchanger for blast cupola |
| 03/17/1993 | CN2128369Y Calcining operator for cement shaft kiln |
| 03/17/1993 | CN1069955A Vertical kiln method for calcining cement with block material |
| 03/10/1993 | CN2127992Y Turning material discharging device for mechanical vertical kiln |
| 03/10/1993 | CN2127991Y Air inlet closing device for small blast furnace |
| 03/10/1993 | CN2127990Y Cement vertical kiln ventilation device |
| 03/09/1993 | CA1314143C Revolving grate cooler for cooling of clinker or similar products |
| 03/03/1993 | CN1069567A External-burning vertical baking furnace for ball mineral |
| 03/02/1993 | US5190719 Plant for the production of molten metals |
| 02/23/1993 | US5188668 Cement advanced furnace and process |
| 02/17/1993 | CN2127166Y Multi-functional chemical heat treating electric stove chemical |
| 02/11/1993 | DE4126255A1 Improved conversion of silica to silicon@ using electro-furnace - comprises addn. of small amt. of magnesium silicate which improves the conversion of evaporated silicon mon:oxide |
| 02/11/1993 | DE4126254A1 Improved silicon yield from redn. of quartz by carbon@ - uses preforms of fine grained quartz with carbon@ medium and small quantity of carbide forming elements present silicate(s) |
| 02/10/1993 | CN2126905Y Improvement for vertical tube presheating apparatus |
| 02/10/1993 | CN2126904Y Preheating furnace for scrap iron |
| 01/27/1993 | CN1068413A Steam boiler capable of firing bricks and heating water |
| 01/13/1993 | CN1067958A Cylinder cover casting process with recovered cast iron powder and anthracite coal furnace |
| 01/12/1993 | US5178819 Tuyere blocks of vertical reactor furnaces |
| 01/07/1993 | EP0521523A1 Process for running a cupola |
| 01/06/1993 | CN1067730A Method and device for heating heavy oil using flue gas and hot air as heat source |
| 01/06/1993 | CN1067729A Forced adjusting and supply device for fluid |
| 01/06/1993 | CN1067683A Cooling device for distribution chute of installation for charging shaft furnace |
| 12/23/1992 | EP0519553A1 Method of repair of the refractory lining of the wall of a shaft furnace |
| 12/23/1992 | CN2125798U Industrial kiln |
| 12/23/1992 | CN1067308A Fast calcining cement kiln |
| 12/22/1992 | US5173044 Includes step of absorbing sulfur dioxide |
| 12/16/1992 | CN2125112U Overhaul pouring device for vertical limekiln mouth |
| 12/13/1992 | CA2070506A1 Cooling device for the distribution chute of a shaft kiln charging installation |
| 12/09/1992 | CN2124442U Double ventilation ring disc-tower shaft kiln |
| 12/02/1992 | CN2123743U Sintering treatment machine for cement vertical kiln |
| 12/02/1992 | CN2123742U High-yield vertical kiln |
| 12/02/1992 | CN1066684A Installation for charging shaft furnace |
| 11/25/1992 | CN2123048U Cupola air-preheating separator |
| 11/25/1992 | CN2123047U Prestressed hanging wall for use in glass smelting kiln |
| 11/24/1992 | US5166589 Level probe for a shaft furnace |
| 11/19/1992 | EP0513529A1 Shaft furnace charging apparatus |
| 11/19/1992 | DE4116300A1 Carbonate mineral calcination - has an air-free deacidification zone between firing and cooling zones |
| 11/18/1992 | CN2122363U High efficiency energy-saving boxed bowl |
| 11/18/1992 | CN2122362U Pressure difference monitor |
| 11/18/1992 | CN2122361U Energy-saving forging furnace |
| 11/16/1992 | CA2068499A1 Installation for charging a shaft furnace |
| 11/11/1992 | CN2121665U Cement machine vertical kiln grid |
| 11/11/1992 | CN2121664U Vertical carbonized oven |
| 11/11/1992 | CN2121620U Dust draught fan for double cool kiln, oven |
| 11/11/1992 | CN1066119A Controlling method for adjustable flame burner nozzle temperature field in furnace |
| 11/11/1992 | CN1066086A Tornado generator and its effect field smelting method |
| 11/11/1992 | CN1019048B Device for controlling charge shoot of vertical furnace |
| 11/11/1992 | CN1019023B Installation for charging shaft furnace |
| 11/10/1992 | US5161967 Process and device to feed additives into a shaft or cupola furnace |
| 11/04/1992 | CN1018949B Tower-type mechanized hydraulic vertical kiln |
| 10/29/1992 | WO1992018268A1 Trap trench |
| 10/28/1992 | EP0357655B1 Melting furnace |
| 10/28/1992 | CN2120311U Fuel-economizing environmental protection furnace |
| 10/28/1992 | CN2120310U Multiduct ventilating composite structure tower type mechanic vertical kiln |
| 10/28/1992 | CN2120309U Vertical firepipe heating stove |
| 10/27/1992 | CA2067038A1 Method for botting the tap hole of a shaft furnace and botting machine for the implementation of this method |