Provided is a novel apparatus capable of suitably manufacturing an organic substance from a syngas. An apparatus 1 for manufacturing an organic substance includes a syngas producing furnace (11), an organic substance synthesis unit (16), a moisture content raising unit (12), and a moisture content lowering unit (13). The syngas producing furnace (11) is configured to produce a syngas containing carbon monoxide by partly oxidizing a carbon source. The organic substance synthesis unit (16) is configured to produce an organic substance from the syngas. The moisture content raising unit (12) is disposed between the syngas producing furnace (11) and the organic substance synthesis unit (16). The moisture content raising unit (12) is configured to raise a moisture content of the syngas. The moisture content lowering unit (13) is disposed between the moisture content raising unit (12) and the organic substance synthesis unit (16). The moisture content lowering unit (13) is configured to lower the moisture content of the syngas.

Device for manufacturing organic substance and method for manufacturing organic substance

The invention belongs to the technical field of comprehensive coke-oven gas utilization, and particularly relates to a method of combined production of methanol and liquefied natural gas (LNG) in a coking plant. Coke-oven gas is subjected to temperature swing adsorption (TSA), desulphurization, vacuum pressure swing adsorption (VPSA), and other purifying treatment, and is subjected to cryogenic liquidation separation to obtain a liquefied natural gas (LNG) product. The main component of the non-liquefied part is (CO+H2), and is adopted as methanol synthesis gas used for producing methanol, wherein the insufficient carbon component based on the H2is supplied by continuous oxygen-rich gas production from chopped coke having a size of 7-24 mm by a normal-pressure gasifier. The method achieves direct utilization of CH4 that is one of the main components of the coke-oven gas, the (CO+H2) are directly used for methanol synthesis, and the insufficient carbon source is supplied by a normal-pressure gasifier adopting the chopped coke produced by the coking plant as a gas production raw material, and therefore intermolecular conversion and other main energy-consumption sections and high-investment devices are reduced, the whole process is simplified, the comprehensive energy consumption for producing the methanol and the liquefied natural gas (LNG) is low, the whole economic benefit of coking enterprises is increased, and the investment is saved.

Method of combined production of methanol and liquefied natural gas in coking plant

The invention belongs to the field of chemical industry, and particularly relates to a method for preparing methanol and coproducing natural gas from coke oven gas and coal gas. The method comprises the following steps: coke oven gas is subjected to desulfurization and impurity removal and mixed with treated coal gas, and is compressed to methanol main synthesis pressure and mixed with circulation gas of a methanol main synthesis system; the gas mixture enters the main synthesis system to synthesize methanol; the methanol generated by the main synthesis system is separated by a separator, subjected to flash evaporation in a flash evaporation tank and sent to a methanol rectification system; most of the gas after separation methanol is sent to a main synthesis circulation compressor to be circulated, and the rest gas is discharged out of the main methanol synthesis system as purge gas; the discharged purge gas and small synthesis system circulation gas are mixed to enter a small synthesis system; and the methanol is prepared by a purge gas technique. The irrational hydrogen-carbon ratio in the coke oven gas in the methanol and natural gas coproduction process is regulated by utilizing the coal gas provided by the coal gas making plant, thereby achieving the optimal hydrogen and carbon utilization; and the rich hydrogen and carbon contained in the methanol purged gas are reutilized and subjected to methanation to obtain the natural gas product.

Method for preparing methanol and coproducing natural gas from coke oven gas and coal gas

A technology of synthesizing gasoline by coke oven gas through methyl alcohol comprises the steps that supersaturated steam is added into the coke oven gas and oxygen, the mixture enters a coke oven gas reformer combustion chamber to conduct a combustion reaction and a transformation reaction, the transformed gas is compressed to conduct a methanol synthesis reaction, methanol separation is conducted on the reaction gas, one part of the gas which is exhausted from the top of a methanol separator returns to a synthesis gas compressor unit, the other part of the gas conducts a synthetic oil reaction, a crude methanol liquid phase conducts a methanol-to-synthesis oil reaction after being exhausted from the bottom of the methanol separator, oil-gas separation is conducted on a synthesis oil product, the separated oil phase enters an oil separator, and fuel gas, liquefied petroleum gas, heavy oil and gasoline products are obtained after separation. The technology of synthesizing the gasoline by the coke oven gas through the methyl alcohol has the advantages of being simple in technological process, less in equipment investment and low in energy consumption.

Technology of synthesizing gasoline by coke oven gas through methyl alcohol

The invention provides an oil-gas coupling poly-generation method in the coal chemical engineering industry. The oil-gas coupling poly-generation method comprises the following steps of: treating and dividing coal tar into heavy oil fraction, crude phenol, dephenolized oil, crude naphthalene, naphthalene-removed oil and washing oil by virtue of a normal-pressure distillation system and a chemical-removing system; discharging the crude phenol and the washing oil; feeding the heavy oil fraction, the washing oil, the dephenolized oil and the naphthalene-removed oil to an oil-gas coupling system; treating the coal gas to obtain LPG (Liquefied Petroleum Gas), petrol, durene and dealkylation heavy oil by virtue of a methanol conversion system and an MTG (Methanol To Gasoline) system; discharging the LPG, the petrol and the durene; feeding the dealkylation heavy oil to the oil-gas coupling system and carrying out coupling hydrogenation treatment in the oil-gas coupling system to obtain naphtha and diesel oil. According to the oil-gas coupling poly-generation method in the coal chemical engineering industry disclosed by the invention, the tar and the coal gas are effectively coupled, so that the resource waste is avoided; the high-additional value oil and chemicals including phenol, naphthalene, aromatic hydrocarbon and the like are generated, so that the direct emission of coal gas and the car is prevente, and therefore, the environment pollution is reduced and the method is more friendly to the environment.

Oil-gas coupling poly-generation method in coal chemical engineering industry

The invention discloses a non-catalytic pure oxygen-steam reforming method for preparing methanol syngas from oven gas, which is characterized in that first the oven gas is pretreated and compressed; then the oven gas, mixed with medium pressure overheat steam, heated to six hundred to six hundred sixty DEG C, and transported to a reformer, combusts with the mixed gas of steam and oxygen in 250 to 550 DEG C transported from the nozzle of the reformer, the non-catalytic pure oxygen-steam reforming reaction is done in the reformer; qualified methanol syngas can be obtained after the transformedgas is processed by heat recovery, cooling separation and desulfurization. The method in the invention has the advantages of adding a large amount of steam to the oven gas and the oxygen, decreasing the temperature of combusting flame in the reformer to less than 1700 DEG C, providing a mild reforming operation condition and greatly prolonging the service life of the nozzle of the reformer; in addition, the temperature of the mixed gas transported into the reformer is always above the spontaneous combustion of the oven gas; therefore, the reformer does not have to start up the nozzle and the driving process is simple and reliable; desulfurization is not required before reforming because the reforming catalyst is not used, and desulfurization craft is greatly simplified.

Method for producing methanol synthesis gas by oven gas non-catalytic pure oxygen-steam conversion

The invention discloses a conversion waste water stripping tower waste water heat recovery method for use in the production of methanol by using coke oven gas, which mainly comprises that: waste water in a tower kettle in a conversion waste water stripping tower exchanges heat with waste water flowing into the stripping tower first and then exchange heat with feed of a methanol distillation pressure tower, desalted water required by the device and coarse methanol feed of a methanol pre-distillation tower; and after the heat is fully used, the waste water is cooled by circulating cooling waterand then discharged to a circulating water station or a desalted water station to be reused as raw water. If the waste water is discharged to the desalted water station as raw water, the temperature of waste water cooled by the circulating cooling water is controlled by the temperature of the raw water tank of the desalted water station.

Conversion waste water stripping tower waste water heat recovery method for use in production of methanol by using coke oven gas

Method for cogeneration of methanol, CNG (compressed natural gas) and LNG (liquefied natural gas) from coke-oven gas and converter gas

Method for utilizing converter gas adsorption regeneration heat during preparing methyl alcohol by coke-oven gas and converter gas

The invention relates to a methanol preparation technology in the chemical industry field, and concretely relates to a method for regenerating a converter gas variable temperature adsorbent for the production of methanol from a coke oven gas and a converter gas. The method comprises the following steps: introducing a methanol relief gas or a tail gas obtained after hydrogen extraction of the methanol relief gas into a regenerated gas heat exchanger in the variable temperature adsorbent regeneration process of the converter gas in order to realize the heat exchange heating of the methanol relief gas or the tail gas obtained after hydrogen extraction of the methanol relief gas and a regenerated gas, introducing the regenerated gas into a regenerated gas heater, heating, introducing the heated regenerated gas to a converter gas variable temperature adsorber for regenerating an adsorbent for regeneration, introducing a gas from the converter gas variable temperature adsorber into the regenerated gas heater for heat exchange cooling, introducing the obtained gas into a water cooler for cooling, and sending the cooled gas to a fuel tube network as a fuel. The method avoids wastewater generated through steam regeneration to realize sewage treatment reduction, and allows energy saving and consumption reduction to be realized by reducing regeneration heat consumption and reducing cooling water consumption via adopting the heat exchange of the regenerated gas and a regeneration gas.

Huang Weizhu

Papers

Method for producing methanol synthesis gas by oven gas non-catalytic pure oxygen-steam conversion

Conversion waste water stripping tower waste water heat recovery method for use in production of methanol by using coke oven gas

Method for cogeneration of methanol, CNG (compressed natural gas) and LNG (liquefied natural gas) from coke-oven gas and converter gas

Method for utilizing converter gas adsorption regeneration heat during preparing methyl alcohol by coke-oven gas and converter gas

Method for regenerating converter gas variable temperature adsorbent for production of methanol from coke oven gas and converter gas