Rotor-plate adsorption unit

FIELD: machine engineering.

SUBSTANCE: adsorption unit consists of an electric drive 1, a reducer 2, a rotor-plate adsorption module 3. The rotor-plate adsorption module consists of the following structural elements: a stator 4, the internal curvilinear profile of which is formed by two circles with a smaller and larger radius, the transition between which is effected through the curvilinear matching surfaces, in which there is an inlet with a filter element 5 for the gas mixture to be separated and an exhaust outlet equipped with a silencer 6 and a filter 7 for gas removal during regeneration; a rotary rotor 8 of cylindrical shape with radial grooves, on the outer surface of which there are cavities filled with adsorbent 9 repeating the shape of the rotor outer surface, from each cavity to the center of the rotor, from each cavity to the rotor center the channel runs radially connected to one of the rotor end surfaces; freely moving sealing plates 10 installed in the rotor grooves; two end caps, one of which is made as the lid of the receiver and has two holes, one hole serves for the installation of the unidirectional adjustable valve 11 and feeding the oxygen-enriched air, the second hole serves for the installation of the inductor 12 and provides gas throttling during the regeneration in the working volume rotary vane module; a receiver 13; an adjusting device of the flow grocery gas to the consumer 14.

EFFECT: simplifying the unit, reducing the mass and overall characteristics, increasing the specific productivity and reliability of the adsorption unit.

9 dwg

 



 

Same patents:

FIELD: oil and gas industry.

SUBSTANCE: invention pertains to coke furnace operation method. According to the method coke gas generated in coking process is supplied as useful gas to processing of raw materials, at that hydrogen is separated from coke gas, and in order to generate thermal energy required for coking process synthetic gas is supplied as combustion gas, which is produced from fossil fuel by gasification process, at that the first share of the obtained synthetic gas is used as combustion gas, at that extra share of the obtained synthetic gas is used for further synthesis with hydrogen separated from coke gas.

EFFECT: invention provides effective usage of the generated coke gas during operation of the coke furnace.

25 cl

FIELD: process engineering.

SUBSTANCE: invention relates to separation of at least one gas component from off-gas of the plant for production of liquid cast iron, liquid steel semis or sponge iron. At first step, off-gas flow is forced at first pressure via at least one adsorption separator for gaseous component to be separated from off-gas. At second step, gaseous component is removed from said adsorption separator at second pressure lower than said first pressure.

EFFECT: no need in servicing, low investment costs and power consumption.

12 cl, 6 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to chemistry and biotechnology. Method of continuous isolation and concentration of hydrogen from biogas composed of five and more components includes biogas feed from reactor (pyrolysis reactor or bioreactor) by compressor into membrane module for pre-concentration of hydrogen in permeate or retentate and subsequent feed of permeate (after additional compression) or retentate (without additional compression) to short-cycle adsorption unit to obtain hydrogen contrite at the outlet. Note here that membranes with selectivity H2/CO2>1 are used for pre-concentration of hydrogen as permeate while membranes with selectivity H2/CO2<1 are used for pre-concentration of hydrogen as retentate.

EFFECT: extraction of hydrogen from biogas, longer life of membranes.

2 cl, 5 dwg, 1 tbl

FIELD: chemistry.

SUBSTANCE: feed stream 209 is separated in first pressure swing absorption (PSA1) system into a first fraction 210 including substantially adsorbed components and a second fraction 212 including substantially un-absorbed components, the first fraction 210 including a large portion of CH4 and CO2 from the feed stream, the second fraction 212 including a large portion of H2 and CO from the feed stream. A first portion of the second fraction 214 is fed into a second PSA2 system. The first portion of the second fraction is separated in the second PSA2 into a third fraction 213 including substantially adsorbed components and a fourth fraction 217 including substantially un-absorbed components, the third fraction 213 including a large portion of N2, CO and CO2 and carbon dioxide included in the first portion, the fourth fraction 217 a large portion of the H2 in the first portion. At least a portion of the second portion 215 of the second fraction or the fourth fraction 217 is passed to form a recycled stream during synthesis gas conversion process 208 including a large portion of the H2 and CO from the unconverted gas stream. Portions of the first fraction 210 and the third fraction 213 are combined into stream and the second portion of the first fraction 210 is fed as feed gas into the process of producing synthesis gas.

EFFECT: invention increases efficiency.

20 cl, 4 dwg, 4 tbl

FIELD: process engineering.

SUBSTANCE: invention relates to method of hydrogen separation from oxygen-bearing gas flow consisting, mainly, of hydrogen, nitrogen, oxygen, carbon dioxide, carbon oxide and/or other hydrocarbons, and to device to this end. In compliance with this invention, gas flow is subjected to thermal conversion of oxygen prior to its feed into short-cycle adsorption process.

EFFECT: ruled out formation of explosive gas mix.

8 cl

FIELD: chemistry.

SUBSTANCE: pure hydrogen is isolated from hydrogen-methane mixture at absorption stage at pressure 0.5-2.0 MPa. At desorption stage pressure is reduced to 0.1 MPa and unconditioned hydrogen, which is returned to adsorber input, is isolated, and then to complete desorption stage pressure is reduced to the lower level 0.1-0.005 MPa and fraction, mainly containing methane, which is returned to methane pyrolysis stage, is isolated.

EFFECT: invention makes it possible to separate methane-hydrogen mixture in efficient way and obtain additional amount of hydrogen.

1 dwg, 1 ex

FIELD: process engineering.

SUBSTANCE: invention relates to separation of gas mixes by short-cycle unheated adsorption. Gas mix flow is subjected to compression in compressor and forced cyclically through adsorbent layer in two parallel jointed adsorption columns wherein pressure increase and decrease conditions are sequentially maintained. Said conditions are maintenance using synchronous switching of inlet valves. Outcoming product flows forced from increased pressure column via said outlet valves into high-pressure membrane gas separator for said product to be enriched and fed to using equipment. Product residual flow is fed from membrane apparatus via aforesaid valves for blowing adsorption low-pressure column at low pressure. Receiver shut off in one direction by check valve is used to stabilise operation of membrane apparatus.

EFFECT: higher efficiency and degree of extraction of target components.

1 dwg

FIELD: chemistry.

SUBSTANCE: invention relates to chemistry and can be used in extraction and purification of hydrogen. A gas mixture contaminated with impurities is brought into contact in an adsorption zone having an adsorbent which contains zeolite X powder with varying particle-size distribution coefficient from 15% to 30%.

EFFECT: invention increases hydrogen extraction ratio.

10 cl, 3 dwg, 1 ex

Adsorber // 2257944

FIELD: devices for separation of gases by adsorption.

SUBSTANCE: the invention is pertaining to the devices for separation of gases by adsorption, in particular, to adsorbers for realization of a cyclical adsorption-desorption process of separation of the air. The adsorber used for a short-cycled heatingless adsorption contains a body filled with a sorbent and a mounted inside it at least one ring conical partition and unions for feeding (withdraval) of the treated gaseous medium and separation of a target component, supplied with the filtering partitions. At that in the narrowed part of the conical partition there is a filtering device made in the form of an enclosed in the body rolled transversely as Archimedes spiral hose filter inside which there is a band with protrusions and cavities forming with the hose filter internal walls bins and as a sorbent they use a layered charge of faujasite zeolites in calcium and lithium forms in the ratio from 0.2:1 up to 1:0.2. At that on the boundary line of the layers there are perforated partitions with a high thermal conductivity. The invention allows to improve reliability of operation of the adsorber.

EFFECT: the invention ensures improved reliability of operation of the adsorber.

8 dwg

The invention relates to gas separation technology on the zeolites pressure swing adsorption, and is intended for the separation of oxygen and attabaraanee gases gas of variable composition with increasing oxygen concentration

Adsorber // 2257944

FIELD: devices for separation of gases by adsorption.

SUBSTANCE: the invention is pertaining to the devices for separation of gases by adsorption, in particular, to adsorbers for realization of a cyclical adsorption-desorption process of separation of the air. The adsorber used for a short-cycled heatingless adsorption contains a body filled with a sorbent and a mounted inside it at least one ring conical partition and unions for feeding (withdraval) of the treated gaseous medium and separation of a target component, supplied with the filtering partitions. At that in the narrowed part of the conical partition there is a filtering device made in the form of an enclosed in the body rolled transversely as Archimedes spiral hose filter inside which there is a band with protrusions and cavities forming with the hose filter internal walls bins and as a sorbent they use a layered charge of faujasite zeolites in calcium and lithium forms in the ratio from 0.2:1 up to 1:0.2. At that on the boundary line of the layers there are perforated partitions with a high thermal conductivity. The invention allows to improve reliability of operation of the adsorber.

EFFECT: the invention ensures improved reliability of operation of the adsorber.

8 dwg

FIELD: chemistry.

SUBSTANCE: invention relates to chemistry and can be used in extraction and purification of hydrogen. A gas mixture contaminated with impurities is brought into contact in an adsorption zone having an adsorbent which contains zeolite X powder with varying particle-size distribution coefficient from 15% to 30%.

EFFECT: invention increases hydrogen extraction ratio.

10 cl, 3 dwg, 1 ex

FIELD: process engineering.

SUBSTANCE: invention relates to separation of gas mixes by short-cycle unheated adsorption. Gas mix flow is subjected to compression in compressor and forced cyclically through adsorbent layer in two parallel jointed adsorption columns wherein pressure increase and decrease conditions are sequentially maintained. Said conditions are maintenance using synchronous switching of inlet valves. Outcoming product flows forced from increased pressure column via said outlet valves into high-pressure membrane gas separator for said product to be enriched and fed to using equipment. Product residual flow is fed from membrane apparatus via aforesaid valves for blowing adsorption low-pressure column at low pressure. Receiver shut off in one direction by check valve is used to stabilise operation of membrane apparatus.

EFFECT: higher efficiency and degree of extraction of target components.

1 dwg

FIELD: chemistry.

SUBSTANCE: pure hydrogen is isolated from hydrogen-methane mixture at absorption stage at pressure 0.5-2.0 MPa. At desorption stage pressure is reduced to 0.1 MPa and unconditioned hydrogen, which is returned to adsorber input, is isolated, and then to complete desorption stage pressure is reduced to the lower level 0.1-0.005 MPa and fraction, mainly containing methane, which is returned to methane pyrolysis stage, is isolated.

EFFECT: invention makes it possible to separate methane-hydrogen mixture in efficient way and obtain additional amount of hydrogen.

1 dwg, 1 ex

FIELD: process engineering.

SUBSTANCE: invention relates to method of hydrogen separation from oxygen-bearing gas flow consisting, mainly, of hydrogen, nitrogen, oxygen, carbon dioxide, carbon oxide and/or other hydrocarbons, and to device to this end. In compliance with this invention, gas flow is subjected to thermal conversion of oxygen prior to its feed into short-cycle adsorption process.

EFFECT: ruled out formation of explosive gas mix.

8 cl

FIELD: chemistry.

SUBSTANCE: feed stream 209 is separated in first pressure swing absorption (PSA1) system into a first fraction 210 including substantially adsorbed components and a second fraction 212 including substantially un-absorbed components, the first fraction 210 including a large portion of CH4 and CO2 from the feed stream, the second fraction 212 including a large portion of H2 and CO from the feed stream. A first portion of the second fraction 214 is fed into a second PSA2 system. The first portion of the second fraction is separated in the second PSA2 into a third fraction 213 including substantially adsorbed components and a fourth fraction 217 including substantially un-absorbed components, the third fraction 213 including a large portion of N2, CO and CO2 and carbon dioxide included in the first portion, the fourth fraction 217 a large portion of the H2 in the first portion. At least a portion of the second portion 215 of the second fraction or the fourth fraction 217 is passed to form a recycled stream during synthesis gas conversion process 208 including a large portion of the H2 and CO from the unconverted gas stream. Portions of the first fraction 210 and the third fraction 213 are combined into stream and the second portion of the first fraction 210 is fed as feed gas into the process of producing synthesis gas.

EFFECT: invention increases efficiency.

20 cl, 4 dwg, 4 tbl

FIELD: process engineering.

SUBSTANCE: invention relates to chemistry and biotechnology. Method of continuous isolation and concentration of hydrogen from biogas composed of five and more components includes biogas feed from reactor (pyrolysis reactor or bioreactor) by compressor into membrane module for pre-concentration of hydrogen in permeate or retentate and subsequent feed of permeate (after additional compression) or retentate (without additional compression) to short-cycle adsorption unit to obtain hydrogen contrite at the outlet. Note here that membranes with selectivity H2/CO2>1 are used for pre-concentration of hydrogen as permeate while membranes with selectivity H2/CO2<1 are used for pre-concentration of hydrogen as retentate.

EFFECT: extraction of hydrogen from biogas, longer life of membranes.

2 cl, 5 dwg, 1 tbl

FIELD: process engineering.

SUBSTANCE: invention relates to separation of at least one gas component from off-gas of the plant for production of liquid cast iron, liquid steel semis or sponge iron. At first step, off-gas flow is forced at first pressure via at least one adsorption separator for gaseous component to be separated from off-gas. At second step, gaseous component is removed from said adsorption separator at second pressure lower than said first pressure.

EFFECT: no need in servicing, low investment costs and power consumption.

12 cl, 6 dwg

FIELD: oil and gas industry.

SUBSTANCE: invention pertains to coke furnace operation method. According to the method coke gas generated in coking process is supplied as useful gas to processing of raw materials, at that hydrogen is separated from coke gas, and in order to generate thermal energy required for coking process synthetic gas is supplied as combustion gas, which is produced from fossil fuel by gasification process, at that the first share of the obtained synthetic gas is used as combustion gas, at that extra share of the obtained synthetic gas is used for further synthesis with hydrogen separated from coke gas.

EFFECT: invention provides effective usage of the generated coke gas during operation of the coke furnace.

25 cl

FIELD: medicine.

SUBSTANCE: invention relates to system for obtaining oxygen in institution, which contains at least one device for obtaining medical air, adsorption unit with drop of pressure, which serves for obtaining oxygen flow, and institution, which contains network of pipelines for medical air and vacuum system, with at least one device for obtaining medical air being connected to network of pipelines for medical air, with at least first part of flow of obtained medical air being supplied from at least one device for obtaining medical air to network of pipelines for medical air. at least one device for obtaining medical air is connected to adsorption unit with drop of pressure, with at least second part of flow of obtained medical air being supplied as initial gas into adsorption unit with drop of pressure and adsorption unit with drop of pressure and vacuum system being connected to each other, with provision of regeneration of adsorber or adsorbers of adsorption unit with drop of pressure by means of vacuum system. Invention also relates to method of system operation and method of its assembling.

EFFECT: application of claimed invention makes it possible to apply available infrastructure of medical institution.

23 cl, 1 dwg

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