Abstract: A device for determining an expansion pressure and an expansion displacement generated by coking coal based on self-regulation of a spring includes a pyrolysis reactor, which is provided in a high temperature carbonization furnace. Two porous pressing plates are provided at both sides of a coal sample, and two metal filter plates are provided at both sides of the sample. Upper and lower openings of the reactor are sealed respectively with a connecting flange. The pressing plate above the sample is connected to a mounting baffle of a detection mechanism through a lightweight connecting rod and a spring. The detection mechanism is provided with a displacement sensor and a pressure sensor. This application further provides a detection method using the above device.

Abstract: The present disclosure relates to the technical field of coal chemical industry, and particularly discloses an integrated coal gasification combined power generation process with zero carbon emission, the process comprising: pressurizing air for performing air separation to obtain liquid oxygen and liquid nitrogen, wherein the liquid oxygen is used for gasification and power generation, the liquid nitrogen is applied as the coolant for the gasification and power generation, the liquid nitrogen and a part of liquid oxygen stored during the valley period with low electricity load are provided for use during the peak period with high electricity load; the pulverized coal delivered under pressure and high-pressure oxygen enter a coal gasification furnace for gasification, so as to generate high-temperature fuel gas, which subjects to heat exchange and purification, and then the high-pressure fuel gas enters into a combustion gas turbine along with oxygen and recyclable CO2 for burning and driving an air compresso

Abstract: A natural gas power generation process with zero carbon emission is described. The process includes pressurizing air and introducing the pressurized air into an air separation facility to obtain liquid oxygen and liquid nitrogen. The liquid oxygen is used for gasification and power generation The liquid nitrogen is applied as a coolant of flue gas, and then for gasification and power generation.

Abstract: A classified reduction gasification iron smelting process of iron ore powder and coal powder in a Y-type entrained flow bed. The process comprises the following steps: uniformly mixing the pre-reduced hot iron ore powder with the coal powder, and introducing the mixture, a gasification agent and water vapor into a Y-type entrained flow bed for performing combustion, gasification and reduction reaction to obtain crude syngas and molten iron; the crude syngas is used for sucking iron ore powder to enter a riser to perform preheating and partial reduction.

Abstract: A gasification co-generation process of coal powder in a Y-type entrained flow bed, comprising: spraying coal water slurry or coal powder, gasification agent and water vapor into a gasification furnace through a top nozzle and a plurality of side nozzles for performing combustion and gasification with a residence time of 10 s or more; chilling the resulting slag with water, and subjecting the chilled slag to a dry method slagging to obtain gasification slag used as cement clinker; discharging the produced crude syngas carrying fine ash from the Y-type entrained flow bed to perform ash-slag separation.

Abstract: A gasification co-generation process of coal powder in a Y-type entrained flow bed, comprising: spraying coal water slurry or coal powder, gasification agent and water vapor into a gasification furnace through a top nozzle and a plurality of side nozzles for performing combustion and gasification with a residence time of 10 s or more; chilling the resulting slag with water, and subjecting the chilled slag to a dry method slagging to obtain gasification slag used as cement clinker; discharging the produced crude syngas carrying fine ash from the Y-type entrained flow bed to perform ash-slag separation.

Abstract: The present disclosure relates to the technical field of natural gas power generation, and particularly discloses a natural gas combined power generation process with zero carbon emission, the process comprising: introducing the pressurized air into an air separation facility to obtain liquid oxygen and liquid nitrogen, wherein the liquid oxygen is used for gasification and power generation, the liquid nitrogen is applied as the coolant of flue gas, and then used for the gasification and power generation; the liquid nitrogen and a part of liquid oxygen stored during the valley period with low electricity load are provided for use during the peak period with high electricity load; the natural gas, oxygen and the recyclable CO2 jointly enter a combustion gas turbine for burning to drive an air compressor and a generator to rotate at a high speed, the air compressor compresses the air to a pressure of 0.4˜0.

Abstract: A classified reduction gasification iron smelting process of iron ore powder and coal powder in a Y-type entrained flow bed. The process comprises the following steps: uniformly mixing the pre-reduced hot iron ore powder with the coal powder, and introducing the mixture, a gasification agent and water vapor into a Y-type entrained flow bed for performing combustion, gasification and reduction reaction to obtain crude syngas and molten iron; the crude syngas is used for sucking iron ore powder to enter a riser to perform preheating and partial reduction.

Abstract: The present disclosure relates to the technical field of coal chemical industry, and particularly discloses an integrated coal gasification combined power generation process with zero carbon emission, the process comprising: pressurizing air for performing air separation to obtain liquid oxygen and liquid nitrogen, wherein the liquid oxygen is used for gasification and power generation, the liquid nitrogen is applied as the coolant for the gasification and power generation, the liquid nitrogen and a part of liquid oxygen stored during the valley period with low electricity load are provided for use during the peak period with high electricity load; the pulverized coal delivered under pressure and high-pressure oxygen enter a coal gasification furnace for gasification, so as to generate high-temperature fuel gas, which subjects to heat exchange and purification, and then the high-pressure fuel gas enters into a combustion gas turbine along with oxygen and recyclable CO2 for burning and driving an air compresso

Abstract: A method utilizing a humic acid substance for renovating and afforsesting slag is provided. A humic acid substance may be utilized for passivation, adsorption, reduction, chelation and immobilization of harmful heavy metal elements in slag, for example, Cr, As, Cd, Ni, Pb, Ba, Hg, Co, Se, Ag and Be, and aggregating the slag, thereby detoxifying the slag and producing artificial earth. The artificial earth may be used in combination with a carrier bacterial fertilizer to continuously produce the active humic acid substance, achieving an effect similar to the combination of blood transfusion and blood production, thereby forming a high-quality artificial soil.

Abstract: Providing a method for pyrolysis treatment of oily sludge and environment-friendly renovation of the residue thereof with humic acid substance. The method relates to inside-mixing solid heat carrier with oily sludge to improve the liquid yield, and completely removing the petroleum hydrocarbons from pyrolyzing residue by calcinating it in a fluidized bed, and using the fractionated large and medium particles as the circulating heat carrier, and discharging the fine particles, and performing environment-friendly renovation with the biological humic acid substance to achieve combinations of the harmless technical measures, thereby achieve harmlessness, reduced quantity and resourceful treatment of the oily sludge.

Abstract: A polygeneration method of biomass downflow circulation bed millisecond pyrolysis liquefaction-gasification coupling is provided.

Abstract: Providing a environment-friendly and in situ immobilized method of renovating heavy metal contaminated soil with humic acid substance, comprising: while the heavy metal contaminated soil being pulverized, adding humic acid substance into the soil according to weight ratio 5-20:1 of the humic acid substance to the total heavy metals contained in the soil, then aging the soil for more than 24 hours after the pulverization process; 2) adding 1-3 parts by weight of semi-coke bacterial fertilizer to 100 parts by weight of the water-stable granular structures, and mixing uniformly.

Abstract: Providing a slag bacterial fertilizer and preparation method thereof and a method for improving the degraded soil; the preparation method of the slag bacterial fertilizer, comprising: adding humic acid substance during a process of pulverizing the gasification slag and/or ash residue, wherein the weight ratio of the added amount of humic acid substance relative to the total heavy metal amount in the gasification slag and/or ash residue is 3-40:1; then aging the pulverized product for more than 24 hours; loading 1 to 20 parts by weight of the microbial bacterial fertilizer on the detoxified gasification slag and/or ash residue with respect to 100 parts by weight of the gasification slag and/or ash residue. The prepared slag bacteria fertilizer is used in combination with the humic acid substance to renovate the degraded soil with rapid renovation and desirable effect.

Abstract: Providing a method for improving saline-alkaline soil by using a biomass rapid pyrolysis product, comprising: rapidly pyrolyzing agricultural and forest residues to prepare bio-oil and semi-coke; deodorizing, dephenolizing and tackifying the bio-oil to prepare a modified bio-oil, and supplementing the modified bio-oil with the nutrient elements to produce a rapid ameliorant for saline-alkali soil; loading microbial fertilizer on the semi-coke to prepare a continuous renovation ameliorant for saline-alkali soil; (4) applying the ameliorants on the surface of saline-alkali soil.

Abstract: The present invention provides a slurry catalyst and a method for preparing the same, and belongs to the technical field of preparing catalyst. Particularly, the present invention provides a slurry catalyst directly used in a slurry bed reactor for synthesizing methanol and dimethyl ether and a method for preparing the same, which uses the complete liquid phase preparation from solution to slurry without the conventional slurry-producing process of firstly forming a solid catalyst and dispersing it into an inert medium after crushing and milling. This catalyst mainly comprises Cu, Zn, Al and Zr, wherein atomic ratios of each of components are Cu/Zn/(Al+Zr)=1/0.1-5/0.15-15 and Zr/Al=1:1.0-1:30, and one or two selected from the group consisting of lanthanide metals, Mn, Mo, Si, V, W, Cr, Mg, Ni, K, Pd, Rh, Ru, Re, Pt and Sr is used a promoter.

Abstract: The present invention provides a slurry catalyst and a method for preparing the same, and belongs to the technical field of preparing catalyst. Particularly, the present invention provides a slurry catalyst directly used in a slurry bed reactor for synthesizing methanol and dimethyl ether and a method for preparing the same, which uses the complete liquid phase preparation from solution to slurry without the conventional slurry-producing process of firstly forming a solid catalyst and dispersing it into an inert medium after crushing and milling. This catalyst mainly comprises Cu, Zn, Al and Zr, wherein atomic ratios of each of components are Cu/Zn/(Al+Zr)=1/0.1-5/0.15-15 and Zr/Al=1:1.0-1:30, and one or two selected from the group consisting of lanthanide metals, Mn, Mo, Si, V, W, Cr, Mg, Ni, K, Pd, Rh, Ru, Re, Pt and Sr is used a promoter.