1329 results about "Gas separation" patented technology

An integrated carbon honeycomb structure material and its preparation method are disclosed, belonging to the field of carbon materials technology. Based on a co-sacrificial template low-temperature pyrolysis strategy, the target material can be obtained through three main steps: preparation of a metal salt-colloidal microsphere template precursor, precursor pressing and molding, and subsequent calcination and carbonization. This technology has the characteristics and advantages of simple preparation process, regular and controllable macroscopic structure of the sample (such as shape, area, and thickness), rich and tunable chemical composition, and three-dimensional interconnection of graphene carbon matrix. It has great application potential in many fields such as electrochemical energy storage, catalysis, gas separation, adsorption, and electromagnetic shielding.

The invention relates to the technical field of gas separation and purification, in particular to a method and system for recycling hydrogen in mixed gas through pressure swing adsorption. The method comprises the following steps: performing multi-layer adsorption impurity removal on mixed gas containing 20-25% of silane, 10-15% of disilane and 60-70% of hydrogen, and cooling to 22-28 DEG C; the mixed gas subjected to primary impurity removal enters a pressure swing adsorption device, and an adsorbent in the adsorption device is modified activated carbon. The system comprises a mixed gas cylinder, a pretreatment unit, a pressure swing adsorption unit and a hydrogen collection unit which are connected in sequence. By adopting the pressure swing adsorption method, the hydrogen recovery rate is remarkably increased and can reach 93%, the purity can reach 99.2% or above, and the strict requirement of high-end industrial production for high-purity hydrogen can be met.

The invention discloses an automobile precision part airtightness detection method. The method comprises the steps that a to-be-detected part is clamped in an airtightness detection tool in a sealed mode to form a detection cavity; the detection cavity is pre-filled with detection gas until the initial detection pressure is reached and the pressure is stabilized, so that pressure drift caused by sealing springback, clamping elastic deformation and gas separation is weakened; applying pressure disturbance with a preset amplitude under the same clamping state, collecting pressure change data, and calculating to obtain an equivalent volume parameter of the detection system; collecting pressure change data within a preset detection time, and performing adaptive compensation on the airtightness detection result based on the equivalent volume parameter to obtain a compensation result; and completing qualification judgment according to a compensation result, and analyzing detection abnormity in combination with an equivalent volume parameter so as to distinguish tool leakage and part body leakage. According to the invention, the stability and consistency of airtightness detection of the aluminum casting can be improved, the misjudgment rate is reduced, and the batch detection requirement of an automatic production line is met.

The invention discloses a high-solid-content MIL-101 (Fe) / PIM-1 mixed matrix membrane and a preparation method thereof, and belongs to the technical field of gas separation membranes. The preparation method comprises the following steps: firstly, dissolving an iron source in a PIM-1 polymer solution to form a homogeneous membrane casting solution; forming the obtained membrane casting solution, and removing the solvent to obtain a PIM-1 / Fe (II) composite substrate containing Fe (III); then, the substrate is alternately immersed in a terephthalic acid methanol solution and a ferric salt methanol solution, and MIL-101 (Fe) is generated in the polymer matrix through in-situ limited crystallization by layer-by-layer limited crystallization. According to the method, the problem of interfacial compatibility between the MOF filler and the polymer matrix is effectively solved, and high loading capacity (up to 52.9 wt.%) of MIL-101 (Fe) is realized without agglomeration. Meanwhile, the membrane has excellent COplasticizing resistance and long-term operation stability, and has a wide application prospect in the fields of carbon capture and the like.

The invention belongs to the technical field of power equipment state monitoring, and discloses a transformer oil dissolved gas surface enhanced Raman spectrum in-situ monitoring method and a transformer oil dissolved gas surface enhanced Raman spectrum in-situ monitoring system. The system comprises a membrane degassing unit, a Raman sensing unit, a light path unit, a data processing unit and a calibration early warning unit, the method comprises the following steps: firstly preparing a gold nanostar array sensing substrate with bifunctional groups to realize selective adsorption and signal enhancement of characteristic gas, then completing in-situ oil-gas separation through the membrane degassing unit, collecting a Raman spectrum through the light path unit, and calculating the Raman spectrum of the gold nanostar array sensing substrate according to the Raman spectrum. Spectral analysis and quantification are completed based on multiple algorithms, and fault early warning is achieved in combination with temperature and pressure compensation and an industrial standard threshold value. According to the scheme, the problems of lagging, weak interference resistance and the like of traditional monitoring are solved, high sensitivity and high specificity are achieved, full-process automatic closed-loop monitoring can be achieved, and accurate data support is provided for operation and maintenance of the transformer.

A gas separation system for producing a CH4-enriched gas from a feedstock gas containing CO2 and CH4, including a first gas separation membrane unit and a second gas separation membrane unit, in which the gas separation system includes a feedstock gas supply line connected to a gas inlet of the first gas separation membrane unit; a compression part disposed in the feedstock gas supply line; a first line connecting the retentate gas outlet of the first gas separation membrane unit and the gas inlet of the second gas separation membrane unit; a second line connecting the permeate gas outlet of the second gas separation membrane unit and the feedstock gas supply line; and a cooling part for lowering the operating temperature of the second gas separation membrane unit below the operating temperature of the first gas separation membrane unit.

The present application provides an oil-gas separation apparatus capable of implementing complete degassing and methods. The apparatus comprises: a piston cylinder and a degassing cylinder, a degassing solenoid valve being arranged between the degassing cylinder and the piston cylinder, one end of the degassing solenoid valve extending into the interior of the piston cylinder, and the other end thereof being in communication with the degassing cylinder; a variable speed diaphragm pump, an air intake end thereof being in communication with the atmosphere and an air discharge end thereof being in communication with the degassing cylinder for drawing ambient air, and used for cleaning a gas path of the oil-gas separation apparatus, and providing power for the degassing cylinder, thereby replacing a design involving a carrier gas cylinder or a gas generator; and a main control module. According to the present application, the piston cylinder, the degassing cylinder, the degassing solenoid valve, and the variable speed diaphragm pump are integrated and are uniformly controlled by the main control module, so that high-efficiency oil and gas separation is implemented. A unique degassing control method and a concentration calculation method are designed, so that fast and efficient degassing is implemented, nearly complete degassing is achieved without correcting a degassing rate, a mathematical model for inverse calculation of an oil sample concentration on the basis of a gas concentration is simplified, and concentration conversion is convenient.

The invention discloses a gas separation membrane and a preparation method thereof, and belongs to the technical field of gas separation membranes. The gas separation membrane comprises a separation layer comprising a network and PTI nanosheets dispersed in the network, the network comprising at least one of a biopolymer network and a chemical polymer network; selectively, the device further comprises a supporting layer which is arranged below the separation layer and is combined with the separation layer. The preparation method of the gas separation membrane comprises the following step A or step B: step A: enabling raw materials of PTI nanosheets and networks to form a membrane on the surface of polymer hydrogel to obtain the gas separation membrane; and step B, enabling the PTI nanosheet and the network raw material to form a membrane on the surface of the material of the support layer to obtain the gas separation membrane. The gas separation membrane provided by the invention is an N2 preferential permeation membrane, and has relatively high N2 permeation rate and relatively high N2 / CO2 selectivity.

The invention discloses an underground coal mine wet-type centrifugal dust removal mechanism, a dust removal system and a use method of the dust removal system. The mechanism comprises an inner shaft, a middle barrel and an outer barrel which are coaxially arranged, a second blade is arranged on the outer side of the inner shaft; a plurality of through holes are formed in the peripheral side of the middle barrel, and first blades are arranged on the inner side of the middle barrel; a first annular area is formed between the middle barrel and the inner shaft, a second annular area is formed between the middle barrel and the outer barrel, and the inner shaft and the middle barrel are driven to rotate in the same direction. Dust-containing fluid enters from one end of the first annular area and is discharged from the other end of the first annular area or is upwards discharged from a hollow hole of the inner shaft; and dust-containing liquid drops subjected to rotating centrifugation are discharged from the sewage draining exit. A controllable forced rotating flow field can be formed, so that dust-containing fluid is subjected to larger centrifugal force, stress is uniform, the track is stable, the risk of impact rebound is reduced, fine dust capture and gas separation are completed, decoupling of centrifugal separation and collection of the dust-containing fluid is achieved, and the dust removal effect is better.

A system for gas separation includes a first housing, a first reactor section that includes first adsorbent beds that are disposed within the first housing, a second housing, and a second reactor section that includes a second adsorbent bed disposed within the second housing. The first adsorbent beds (i) include respective solid sorbents configured to adsorb target molecules from a fluid stream that is subject to the gas separation and (ii) are arranged in parallel with respect to each other and relative to a flow direction of the fluid stream. The second adsorbent bed (i) includes a respective solid sorbent configured to adsorb the target molecules from the fluid stream and (ii) is staged in series relative to the first adsorbent beds and the flow direction. Each of the first adsorbent beds has a volume that is different from a volume of the second adsorbent bed.

A gas separation membrane for separating carbon dioxide includes: a separation layer formed of a polymer material and having a function of selecting and separating carbon dioxide; and a porous substrate including a first porous layer and a second porous layer. The gas separation membrane has a layer thickness T1 of 0.1 μm or more and 10.0 μm or less, an average pore diameter d1 of 10 nm or more and 10,000 nm or less, an aperture ratio A1 of 40% or more and 80% or less, a maximum height roughness R1 of 1 nm or more and 200 nm or less, a layer thickness T2 of 10 μm or more and 1,000 μm or less, a ratio d2 / d1 of an average pore diameter d2 to the average pore diameter d1 of 1.1 or more and 10,000 or less, and a ratio A2 / A1 of an aperture ratio A2 to the aperture ratio A1 of 1.1 or more and 2.0 or less.

A composite membrane that includes a polymeric substrate that defines a plurality of pores and a metal organic framework formed within the pores of the substrate. The metal organic framework is formed through interfacial synthesis of an aqueous metal ion and an organic ligand solution within the pores of the substrate. Methods for membrane synthesis are provided that may include a first growth phase and a second growth phase within the pores of the polymeric substrate. The composite membranes may be incorporated into a housing / module for use in gas separation, e.g., in gas separation facilities, including flue gas sorption plants, direct air capture plants, natural gas sweetening pipelines, and olefin / paraffin separation towers.

The invention relates to an acetylene purification system and method, in particular to a method for removing impurities in acetylene to an electronic-grade acetylene level through a membrane separation technology coupled rectification process, and belongs to the field of gas separation. Aiming at the characteristics of an industrial grade acetylene material, the invention provides a technology for preparing electronic grade acetylene based on membrane separation coupling rectification, the membrane separation technology and the rectification technology are organically coupled, and a safe solvent is introduced into a rectification tower, so that the thermal stability of liquid acetylene is effectively improved, and the explosion risk is remarkably reduced. According to the technology, efficient preparation of the electronic-grade acetylene (the purity is greater than or equal to 99.9999%) is realized, and the method has a good industrial application prospect and popularization value.

The invention relates to the technical field of special polymer functional membranes, and discloses a polybenzimidazole gas separation membrane as well as a preparation method and application thereof, the polybenzimidazole gas separation membrane has an interpenetrating network-shaped pore structure, and the polybenzimidazole gas separation membrane has a nanoscale pore structure. The pore size distribution of the nanoscale pore structure is 0.1-30 nm, and the average pore size of the nanoscale pore structure is 1-80 nm. The polybenzimidazole gas separation membrane has an interpenetrating network-shaped pore structure and a nanoscale pore structure, so that the polybenzimidazole gas separation membrane has relatively high gas selectivity and permeability coefficient and also has relatively good mechanical properties.

The application discloses a method for preparing a metal organic framework film by magnetic field induction regulation control. The method comprises the following steps: vertically immersing a sheet carrier into a film forming solution of the metal organic framework film; placing a container provided with the film forming solution and the carrier into a uniform magnetic field; and standing for 4-24 hours to obtain the metal organic framework film prepared by the magnetic field induction regulation control. The metal organic framework film is a cobalt-based, nickel-based or iron-based metal organic framework film. The carrier material comprises alumina, porous carbon and porous organic material. The magnetic field direction is perpendicular to or parallel to the surface of the carrier. The metal organic framework film prepared by the application has excellent gas separation performance, and the film forming process is simple, convenient, easy to enlarge and popularize.

The utility model discloses an oil-gas separation mechanism and an engine, the oil-gas separation mechanism comprises an air inlet cam shaft, a chain wheel, a centrifugal separation disc and a breather pipe, and the air inlet cam shaft is provided with a first channel penetrating through the two ends of the air inlet cam shaft; the chain wheel is meshed with a timing chain of an engine and used for driving the air inlet cam shaft to rotate. The centrifugal separation disc is connected with one end of the air inlet cam shaft and provided with a separation cavity, the separation cavity communicates with the first channel, fan blades are arranged in the separation cavity, the centrifugal separation disc rotates to suck mixed oil gas into the separation cavity, and the fan blades guide gas into the first channel and throw engine oil out of the separation cavity. The breather pipe communicates with the end, away from the centrifugal separation disc, of the first channel and is used for exhausting gas in the first channel. According to the oil-gas separation mechanism, the oil-gas separation structure can be arranged on the air inlet cam shaft, the space occupied by the oil-gas separation structure in an engine is reduced, the internal structure of the engine is simplified, and the manufacturing difficulty and manufacturing cost of the engine are reduced.

The invention relates to the technical field of oxygen-enriched equipment, which comprises an oxygen-enriched membrane assembly main body, a vertical gas injection part is arranged at one end, far away from a gas separation membrane assembly, of a gas connecting pipe, and a gas flow driving part drives the vertical gas injection part to operate. By arranging the vertical air injection part, when a second fan-shaped guide wheel rotates by 360 degrees under the operation of an airflow driving part, a semicircular air blocking plug shields a honeycomb flow guide plate in the process, and then part of compressed air penetrating through a flow dividing bent pipe enters an air exhaust bin through a one-way valve; then the semicircular air blocking plug loses the shielding of the honeycomb guide plate, and finally the compressed air in the air exhaust bin is exhausted into the gas separation membrane assembly, so that the compressed air vertically acts on one end of the gas separation membrane assembly, and the adsorption balance of each area in the gas separation membrane assembly is realized; the utilization rate of the gas separation membrane assembly is improved, and the flowability of the compressed air is enhanced by pushing the compressed air through the piston rod.

The invention relates to the technical field of ethylene glycol tail gas separation and recovery, in particular to an efficient recovery device for ethylene glycol tail gas, which comprises a washing tower body for recovering the ethylene glycol tail gas, a grating plate arranged in the washing tower body from top to bottom, and a spray head arranged above the grating plate, after ethylene glycol tail gas enters the washing tower body, a plurality of spraying heads in the washing tower body operate, alkali liquor is sprayed out, the alkali liquor reacts with the ethylene glycol tail gas, meanwhile, a grating plate rotates, meanwhile, filler on the grating plate does centrifugal motion, the filler moves in the direction of a supporting outer ring, and meanwhile, the filler is separated from the supporting outer ring. According to the arrangement, the filler close to the edge of the grating plate is shifted towards the center of the grating plate through the two centripetal shifting mechanisms, so that the effect of shaking the filler is achieved, and the situation that harmless salt generated when alkali liquor reacts with ethylene glycol tail gas is blocked in the filler is avoided.

A gas separation membrane for permeating and separating carbon dioxide from a mixed gas containing the carbon dioxide includes: a sheet-shaped support layer; and a separation layer provided on one surface of the support layer, the separation layer having a function of selecting and separating carbon dioxide and being formed of a polymer containing a polyethylene oxide structural unit and a polysiloxane structural unit. The separation layer has an average thickness of 1 nm or more and 500 nm or less. When an XPS spectrum of the separation layer is obtained by X-ray photoelectron spectroscopy and a Si2p peak and a C1s peak included in the XPS spectrum are each subjected to waveform separation, an intensity ratio P(Si—O) / P(C—O) of a Si—O peak intensity P(Si—O) to a C—O peak intensity P(C—O) is 0.03 or more and 2.0 or less.

The invention discloses a coal bed gas exploitation and separation utilization method based on SCCO2 assistance, and belongs to the technical field of coal bed gas development. Supercritical carbon dioxide is prepared through a high-pressure reaction kettle and stored in a supercritical carbon dioxide storage and collection tank, meanwhile, nitrogen mixed with graphene is introduced, and CO2 / CH4 adsorption selectivity is enhanced by means of the characteristic that the specific surface area of graphene is large. A variable-frequency sound wave diffuser is matched to excite coal seam micro cracks through low-frequency sound waves, and supercritical carbon dioxide and nitrogen mixed gas is injected into a coal seam injection well. In the injection process, the sound wave diffuser synchronously radiates high-frequency sound waves to improve the displacement efficiency, then the gas enters the gas separation tower integrated with the molecular sieve membrane, and the produced gas is divided into upper methane, middle carbon dioxide and other bottom miscellaneous gas. Methane is pressurized by an air compressor and then stored in a methane storage tank, carbon dioxide is purified and pressurized and then recycled for coalbed methane exploitation, and offensive gas is cooled and stored after generating power by a steam turbine. And efficient mining, separation and multi-path utilization of the coal bed gas are realized.

A multilayer composite sorbent stack is used for gas separation. A gas feed stream is fed into a vessel that includes the multilayer composite sorbent stack. The multilayer composite sorbent stack includes several sorbent layers alternated with insulation layers, such that the insulation layer is placed between two sorbent layers. The active sorbent layer selectively adsorbs a specific gas molecule from the gas feed stream. Upon determining that the active sorbent layer is saturated with the adsorbed gas molecule, the active sorbent layer is regenerated to release the adsorbed gas molecule. If the active sorbent layer degrades or underperforms due to gas saturation, the insulation layer beneath the active sorbent layer is partially or completely exfoliated, thereby exposing the next sorbent layer to the incoming gas feed stream to continue the selective adsorption or desorption process.

The utility model relates to a liquefied natural gas storage tank precooling mixed gas separation device in the technical field of gas separation. The liquefied natural gas storage tank precooling mixed gas separation device comprises a gas-liquid conveying system, a hydrate generation system, a cooling heat exchange system, a hydrate decomposition system, a separation and collection system and a data monitoring and collection system. The nano-bubble generator and the folded tubular reactor work cooperatively, nano-bubbles can be kept stable in a liquid carrier for a long time, high suction capacity and high generation efficiency can be guaranteed, natural gas and nitrogen mixed gas generated in the precooling process of the LNG storage tank is recycled at high efficiency and low cost, energy input is reduced, cost is reduced, and the production efficiency is improved. The resource waste is reduced, and the environmental pollution is reduced.

The invention relates to the technical field of gas separation process simulation optimization, in particular to a low-power-consumption high-purity oxygen separation method and system. The method comprises the following steps: acquiring physical layer data and adsorption bed data; building a virtual simulation model according to the adsorption bed data to obtain an adsorption bed model; performing simulation calculation according to the physical layer data and the adsorption bed model to obtain adsorption bed layer data; performing graph constraint calculation according to the physical layer data and the adsorption bed layer data to obtain virtual-real difference data; performing outlet oxygen concentration prediction according to the adsorption bed layer data to obtain outlet oxygen concentration prediction data; performing differential feature extraction according to the outlet oxygen concentration prediction data and the physical layer data to obtain prediction deviation data; obtaining regeneration step length data according to the virtual-real difference data and the prediction deviation data; and obtaining energy constraint control data for the adsorption bed layer data according to the regeneration step length data. High-purity output and low-power-consumption control in the oxygen separation process are achieved.

An apparatus for extracting and utilizing noble gases from carbonate rock includes a container body. A gas-solid separation assembly defines filter pores, and a diameter of each filter pore is micrometer-scale. A mechanical crushing assembly is disposed at a bottom of the gas-solid separation assembly, and is configured to crush a carbonate-rock sample until particles each have a size on the order of micrometers or larger. The gas-solid separation assembly is elastic. The particle deposition device is disposed inside a crushing chamber. The particle deposition device includes connecting ropes and spheres. The connecting ropes are fixed to an inner wall of the crushing chamber, and the spheres are fixed to the connecting ropes. This apparatus not only avoids the generation of large quantities of impurity components, but also separates solid carbonate-rock sample particles from the noble gases, enabling effective extraction of the noble gases from the carbonate-rock sample for utilization.

The utility model provides a kind of methanol to olefin gas separation device, belong to gas separation equipment technical field.The utility model methanol to olefin gas separation device, including pretreatment device and separator, import is provided on pretreatment device, the inside of pretreatment device is provided with activated carbon filter screen and water absorption layer, drying cabinet is also provided on the lateral wall of pretreatment device, the lateral wall of drying cabinet is provided with several heaters, the outlet end of each heater is uniformly provided with heating rod, the inside top end and bottom end of drying cabinet are uniformly provided with rotating column, the end of rotating column, which is set on the inside top end and bottom end of drying cabinet and mutually close, is uniformly provided with fan leaf.The utility model solves the problem that water absorption layer needs to be replaced frequently, resulting in the problem of reduced separation efficiency of methanol to olefin gas separation device.

The invention relates to the technical field of oil-gas separation, in particular to a bearing cavity ventilation outlet oil-gas separation device and method. The device comprises a pipe body, a spiral rotary wall body fixedly connected to the lower end of the pipe body and provided with an opening guide, grids on the wall body and a blocking part structure connected with the grids, and the outer wall face of the wall body is provided with a super-oleophobic coating. After installation, the outer surface of the wall body and the inner wall face of the bearing cavity form an oil blocking structure. Through shielding of a flowing oil film and splashing oil drops on the wall surface of a bearing cavity, oleophobic combination of gravity and grid filtering separation of an oil-gas mixture and combined separation of rotating centrifugal force and gravity of the oil-gas mixture guided into the device, lubricating oil flows back to the bearing cavity, the oil content of a ventilation outlet is reduced, it is guaranteed that gas is smoothly exhausted, and blockage is avoided.

The application provides a device for coupling xenon isotope separation and neon-helium purification separation and a use method thereof. Based on various non-low-temperature gas separation technologies, through multi-stage module cooperation, high-efficiency enrichment of xenon isotope raw material gas under non-low-temperature conditions and purification and purification of air separation crude neon-helium gas are coupled, including thermal coupling and intermediate material coupling. The crude neon-helium gas produced in the process is fully utilized, the energy consumption and operation complexity are significantly reduced, and the development advantage can be further improved.

The utility model belongs to the technical field of oil-gas separation, and particularly relates to an oil-gas separation and recovery device which comprises a venturi ejector, a high-pressure gas source, a cold air source and a recovery component, and the venturi ejector is provided with an oil steam inlet, a high-pressure gas inlet, a cold air inlet and an output port. The high-pressure gas inlet and the output port are oppositely formed in the two ends of the Venturi ejector, the oil steam inlet and the cold air inlet are formed in the side, close to the high-pressure gas inlet, of the throat pipe, and oil steam, high-pressure gas and cold air are introduced into the Venturi ejector through pipelines. The venturi ejector is connected with an output pipeline at an output port of the venturi ejector, and the recovery assembly is arranged on the output pipeline. High-pressure gas is introduced into the Venturi ejector, negative pressure is generated in the Venturi ejector to suck oil steam and cold air, the oil steam and the cold air are fully mixed at the throat pipe, the condensation phase change effect of an oil-gas mixture in the throat pipe and a follow-up pipeline is improved, and condensed oil drops are collected through the recovery assembly.

The invention relates to the technical field of gas separation, and discloses an impurity-interference-resistant low-concentration CO2 pressure swing adsorption purification process which comprises the following steps: S1, adsorption step: introducing raw material gas containing impurities and CO2 into a main adsorption tower filled with a composite adsorbent under adsorption pressure, so that CO2 is selectively adsorbed, and purified tail gas is obtained; s2, regenerating: regenerating the main adsorption tower, namely S2.1, equalizing and reducing pressure: discharging gas in the main adsorption tower, and recovering pressure energy; s2.2, vacuumizing: carrying out vacuum desorption on the main adsorption tower to obtain a CO2 product gas; the composite adsorbent with a gradient structure is adopted, a hydrophobic shell of the composite adsorbent effectively blocks water erosion, and acidic impurities such as SOx and NOx are preferentially and chemically fixed on an inner layer, so that high-selectivity adsorption of a core amino site to CO2 is protected, and the poisoning resistance and long-term stability under complex flue gas conditions are remarkably improved.

The present disclosure relates to the technical field of renewable energy utilization, and particularly relates to a waste heat and waste electricity and biomass coupled peak regulation and frequency modulation system, which comprises: an energy scheduling module, which is used for distributing photovoltaic waste electricity to a straw heat processing module when the photovoltaic waste electricity exists, and distributing photothermal waste heat to the straw heat processing module when the photothermal waste heat exists; the straw heat processing module, which is used for carbonizing a first quantity of straws to generate biochar by using photovoltaic, and carrying out biogas fermentation by using the biochar, the photothermal waste heat and a second quantity of straws to generate biogas, and transmitting the biogas to a gas separation module; and the gas separation module, which is used for generating power by using the biogas when the power grid system needs to be regulated and modulated. The present application can solve the problems of waste photovoltaic waste electricity and waste photothermal waste heat, and simultaneously consider the function of energy storage.