Improved process for tail coal gasification
The present invention describes an improved method of coal gasification with the purpose of gasifying tail coal. Tail coal to be gasified is directly put into the fluidized bed, in the l...
Carbon gastification
The present invention relates to generating a hot gas consisting primarily of CO and H2 from a carbonaceous starting material which, in pulverulent form, together with oxidizing agent an...
7
85103258
Method and plant for reducing oxidic
A reduction gas is produced containing mainly carbon monoxide and hydrogen from carbonaceous or hydrocarbon-containing material by means of thermal energy from at least one plasma genera...
8
85105489
Apparatus for cooling a hot product gas
An apparatus for cooling a hot product gas, the latter is passed through a tubular zone. The product gas contains particles which, on entering the tubular zone, are tacky, but lose their...
9
85104714
Method of operating reactor for gasifying solid fuels
Granulated coke, O2 and CO2 are reacted in a fixed beds of reactor under pressure of 1-50 bar. The unburned residue is let out off the outlet of the bottom of the beds, which residue is ...
Multi-stage steam seal
The device is a multi-stage steam seal used in measuring hole of the gas furnace. The number of the stage may be 2, 3, or 4. The angle between the jet direction of steam and the axis of ...
12
85108735
Control valve The present invention is a control valve of high pressure dusty gas. To radically prevent the control valve from being frayed and prevent the dust particles from going to control valve, t...
13
85107163
Process for producing gas from carboncontaining fuels.
The invention relates to aprocess for producing gas from carbon-containing fuels by gasifying them with one or more gasification agents by means of the fluidised bed and flue dust gasifi...
14
85105731
Process and equipment for producing synthesis gas
The present invention concerns a process and the equipment for producing synthesis gas. The process comprises partial combustion of carbonaceous fuel with oxygen-containing gas in a reac...
15
85109363
Gas production The invention relates to a method and appratus. Gas mainly comprising CO and H2 is produced from finely divided carbonaceous starting material. Reactive coke is obtained from lumpy carbon...
Gasifying and reforming carbon carriers The present invention provides a method and apparatus of gaseous fuel in order to manufacture a gas containing chiefly H2 CO whose content of H2O CO2 is lower than 10% and whose hydro...
18
86100460
Coal-water mixing combustion device
Using a new coal-water mixing combustion method generated by the said device, namely transferring steam into fire during combustion, coal and water mixing combustion is kept for doing wo...
Process and apparatus for use with pressurized reactors A carbonaceous slurry, an oxygen-containing gas, fuel gas and, optionally, temperature moderators are fed contemporaneously and selectively into a pressurized partial oxidation zone via a...
21
86102614
Annular nozzle and process for its use An improved burner nozzle and process for making a synthetic or fuel gas mixture containing hydrogen and carbon monoxide by the partial oxidation, in a free-flowing hollow reactor, of a s...
22
86102609
Molten material outlet A vessel having a floor which includes a tap outlet through which liquid contents in the vessel can be drained. The tap outlet features a shallow aperture circumscribed by first and secon...
23
86103455
Gas reactor for lignites The invention relates to a process and reactor for converting coal of high moisture content and ash content to synthesis gas. The gasification reactor is provided with a plurality of burn...
Purification of effluent liquors Effluent liquors, eg. those produced on cooling synthesis gas streams obtained by the ash slagging of coal in the presence of steam and oxygen, and containing volatile and oxidizable spec...
26
86104274
Removal of HCN, NH3, and COS from synthesis gas A process for the gasification of coal is disclosed, the process being characterized by scrubbing of HCN, NH3 and COS from the synthesis gas stream with an aqueous solution, stripping of ...
Reflecting gas producer
The invention adoptes open reflecting gasification structure and continously produces gas. The device can entirely combust the fuel. Quality of the gas is improved. The reflecting gas pr...
30
86106754
Urban gas producing method and equipment thereof
This invention belongs to a method for producing city gas and the equipment to carry out this object.The outstanding characteristic of this invention is to accomplish directly the whole ...
31
86106039
Device used in cooling hot gas containing dust A device for cooling hot, compressed, dust-laden gases. The device consists of an inner structure made out of cooled tubes, positioned inside a pressurized container. The device contains ...
32
86105896
High temp. gasification of coal
The feature of this invention is using 1000-1600 deg.C high temp. mixed gas of air-steam to veplace the oxygen-steam as the gasification agent to produce cheap fuel gas and raw material ...
33
86105182
Slag removel unit for solid fuel gasification reactor
This invention provides an apparatus as well as a method to drain off slag-water slurry from pressurized solid fuel gasification reactor. The unit consists of at least one pressurized sl...
Two-stage coal gasification process The invention provides a two-stage upflow process for coal gasification. An oxygen-containing gas and a first increment of a coal-in-water slurry are ignited in a horizontal fired sagging...
36
86106668
New type high efficiency coal-gas generator with fixed bed
This invention presents a new type of coal-gas generating furnace with fixed bed. In this invetnion, a new type of furnace body, which has larger cross section at its lower part and smal...
37
86104143
Process for manufacturing synthesis gas from new born coal
This invention presents a method of making synthesis gas from new born coal. The present existing gas producing section of the small scale synthetic ammonia plants in China may serve thi...
38
87102450
Process and apparatus for cocurrent gasification of coal The invention relates to the cocurrent gasification of coal and to a gas generator. The gas generator (11) comprises a vertical sealed vessel, the lower third of which is divided into sev...
Gasifying powder coal device
This invention deals with gasfying of powder coal especially suitable to internal combustion engine and boiler used in city. Said device consists of powder coal tank, blower, preburner, ...
41
87103885
Gasification controlling method for solid carbonaceous fuel Control process for producing an aqueous slurry of solid carbonaceous fuel having a desired solids concentration for feed to a partial oxidation gas generator by grinding together in a si...
Gasification method of fluidizing power coal
In the present invention, the powder coal is fluidized sectionally with air and steam as fluidization medium. The well-distributed fluid-bed is divided into two or more reducing gasifica...
44
87105279
Synthetizing technique of ammonia with air and coal gas
The synthetizing technique of ammonia uses air and coal gas to substitute semi-water gas. The main features are that the gas is produced with inferior coal; three exchangers are circular...
45
87105691
40-50 KW water-gas electric generating set
The water-gas electric-generating set uses lump coal as the feed for the water-gas generator to produce water gas which powers a gas engine and, in turn, an electric generator to generat...
46
87105849
Process and apparatus for preparation of synthesis gas Process and apparatus for producing synthesis gas by partial combustion of carbon-containing fuel with oxygen-containing gas in a reactor in which slag is removed through a slag discharge...
47
87105845
Process and apparatus for production of synthesis gas Process and apparatus for producing a gas mixture containing hydrogen and carbon monoxide by partially combusting a carbon-containing fuel with an oxygencontaining gas in a reactor in whi...
48
87106252
Reactor for gasifying coal Hot-gas cyclones (7) for dedusting the gas produced in a reactor (1) are integrated in the reactor (1) for gasifying a carbonaceous fuel. The hot-gas cyclone inlets (3) can be isolated by...
Small oven gas generation and steam supply control unit
The present invention provides a small oven gas generation and steam supply control unit. It consists of overhead water heater, liquid drop measuring capillary evaporator, and deep slot ...
Process for conversion of coal and gypsum to valuable products The present invention relates to the coproduction of a combustible feed gas stream useable as an energy source and a sulfur-containing second gas stream useable as a feedstock for the pro...
Flyslag treatment A process for the treatment of flyslag for example from the gasification of coal. The process comprises the steps of mixing of the flyslag with a cementitious material, a composition capa...
Condenser for cool gasification generated gas A cooler for gases generated from coal by gasification under pressure has a pressurized vessel (1) that accommodates an insert (5) with a polygonal cross-section made out of pipes (6) tha...
60
88102749
Method and apparatus for cooling hot product gas A method and apparatus for cooling a hot product gas containing sticky particles which lose their stickiness upon cooling. Hot product gas from a reactor is passed along at least one cool...
61
88102581
Process and aparatus for preparation of synthesis gas A process for the preparation of synthesis gas by partial combustion of finely divided solid carbon-containing fuel with an oxygen-containing gas in a reactor. The liquid slag formed duri...
62
88106174
Gas producer for hot processing solid fuels
According to this invention, a gas producer contains furnace body, charging apparatus loaded with fuel and dreg remover. Three devices respectively to supply gas heat carrier and gasifyi...
Device for production of gas from solid fuels
This invention relates to a device for the production of gas through air-reduction from solid fuels, where the device is provided with conventional equipment in the form of devices for i...
65
89100533
Improved quench ring for gasifier
The present invention provides a kind of gasifier. whose combustion chamber is connected with a cooling section. An immersion pipe conveys the discharged gas stream and slag into the coo...
66
89101638
Improved quench ring for gasifier
Gasifier for combusting a carbonaceous fuel to produce a usable gas and comprising an insulated outer shell. A combustion chamber within the shell receives a fuel mixture from a fuel inj...
67
89100996
Top and bottom blowing process for making gas
This top and bottom blowing process is mainly used in synthetic ammonia industry to obtain semi-water gas. In this process, four stages including two bottom blows, bottom cleansing blow,...
68
89102106
Nozzle and process for gasifying of pulverized coal
This invention provides an atomizer burner for gasifying pulverized coal and relevant technology. The atomizer burnerconsists of a cyclonic nozzle for primary air, jet orifice for tangen...
Dry ash exhauster for fuel gas generating furnace
This invention provides a dry ash exhauster for the fuel gas generating furnace which uses burnable fibre substances, especially husk of rice, as its fuel. It is composed of cooler, ash-...
71
89102445
Semi-dry distillation gas producer and the gas making method
It uses a portion of the furnace self-produced combustible gas and puts the gas in furnace to react directly with air and steam in furnace to produce violent oxidation, thus making coal ...
72
89108936
Two-stage coal gasification process
A two-stage upflow process for coal gasification and an apparatus useful therefor. An oxygen-containing gas and a first increment of a coal-in-water slurry are ignited in a horizontal fi...
Technology for producing rich hydrogen high alkane coal-gas
This invention relates a technology for producing rich-hydrogen high-alkane coal gas. It is made by using raw coal as raw material put into the "Double combustion-chamber type coal gas g...
75
89104144
Simple stationary gas producer three-stage gas-made technology
In the invention five stages of simple stativnary gas producer (blowing, blowing down, blowing up, blowing up and blowing clean) is changed into three stages (blowing, blowing down and b...
Gasifying method and equipment for prodn. of combustible gas
This system is composed of a boiling-bed or fluidized-bed gasifier, an exhaust-heat boiler some auxiliary pipe-lines an accessories. The process is divided into two stages: air supply an...
78
90107534
Recirculating fixed bed kiln coal gas producer
According to this invention, poor-quality coal or coal gangue is used to generate combined gas with low thermal value. This gas generator is a circular construction made of ordinary and ...
79
90109634
Mixed gas generation furnace
The present mixed gas generation furnace has its gas collecting port at lower part of furnace chamber. The gasification agent introduced at the furnace bottom is reacted with high-temp. ...
Water-gas producer by using of urban refuse and crops stalks
This invention discloses an apparatus to generate water gas quickly with the garbage in urban area and the stems or stalks of crops. The water gas is suitable for civil use or industry. ...
Cyclic bed gas-steam co-producing technology and equipment
It uses two normal-pressure fluidized beds and makes the material circulate between the two beds, the fluidized bed boiler produces steam and the fluidized bed coal cracking furnace is u...
Producing method and device for dry distilation coal gas
This invention is related to a production method of dry distillation of gas and equipment is which the circulating heat ash in circulating fluid-bed boiler is heat source. This unit is c...
Powder coal heat-carrying agent hydro-gasification process
The present invention relates to an powdered coal heat-carrier hydrogasification process", belonging to the field of production technology of hydrogenated pyrolytic gas by using powdered...
92
93109129
The circulating vibrated fluidized bed
Cyclic vibrating fluidized bed comprises vibrator and sealed container as vibrating bed, and features as follows: said sealed container is installed over said vibrator with an obliquity ...
Method and apparatus for gasification of poor coal
Based on fixed-bed gas generator using high-quality coal and its technology, mixing of gasifying agent is improved and steam pressure is lowered. Other modifications include proper coal ...
No-waste usage of gangue
The method for no-waste utilization of gangue can result in gas, cement clinker and non-burning brack products. It is the best method for making use of gangue, and no occupied land and n...
97
93114611
Closed mixed gas generating furnace
The enclosed generator of gas mixture comprises two metallic cylinders sleeved each other and has different diameters. An annular gas collecting chamber is between lower two layers. The ...
Method and unit for two-way split-flo gasifying of coal
The method and apparatus for generating producer gas, water gas, synthetic gas or their mixture with carbon-containing materials features that the generated gas is purified while the car...
100
94102285
Apparatus for pressure gasfication of fine fuel In a gasification apparatus for the pressure gasification of fine particulate fuels, a gasification reactor, a quench pipe and a convection boiler with a boiler casing are arranged in a p...