191 results about "Heat regeneration" patented technology

A regenerative thermal oxidizer assembly includes a first housing member and a second housing member. The first housing member defines a regenerative portion and a combustion chamber. The second housing member defines an inlet chamber and an outlet chamber. A regenerator is disposed within the regenerative portion of the first housing member. A thermal element extends through the first housing member into the combustion chamber for providing heat to the combustion chamber for initiating combustion inside the combustion chamber. The first housing member is rotatable around a central axis relative to the second housing member for rotating the regenerator relative to the inlet chamber and the outlet chamber.

The invention discloses a preparation method of a nano silicon dioxide modified asphalt recycled fine aggregate plant-mixed hot recycled high-performance mixture, and belongs to the field of road engineering materials. The method specifically comprises the following steps: firstly, crushing and screening the waste asphalt mixture to obtain regenerated fine aggregate with the particle size of less than or equal to 2.36 mm, and activating the regenerated fine aggregate with a silane coupling agent KH-560; secondly, nano SiO2 with the particle size of 20-50 nm is subjected to ultrasonic dispersion and then modified with a silane coupling agent KH-570; mixing the aged asphalt and new asphalt according to a certain proportion, adding a proper amount of regenerant and modified nano SiO2, and carrying out shear modification treatment; and finally, mixing the modified recycled fine aggregate, the new coarse aggregate and the new mineral powder according to the target gradation, and fully mixing with the nano-modified recycled asphalt to obtain the mixture. The interface bonding performance of the recycled fine aggregate and asphalt is remarkably improved through dual modification, the problems that a traditional recycled mixture is poor in durability and insufficient in high-temperature stability are solved, and the high-performance mixture is prepared.

The invention discloses a cathode air supply system of an air-cooled fuel cell for an aircraft, which comprises a first air supply component, a first flow regulation component and a first damp and hot regeneration component which are sequentially connected to a first channel of a fuel cell stack cathode, the second damp and hot regeneration component, the second flow adjusting component and the second air supply component are sequentially connected to a second channel of the electric pile cathode; and the cathode gas supply system control component can communicate with the fuel cell system FCU control component, and is used for taking power from the electric pile to carry out voltage increasing and decreasing and inversion modulation so as to drive each component of the cathode gas supply system to work. The invention further discloses a control method of the cathode gas supply system of the air-cooled fuel cell for the aircraft. Through the structure and the control method provided by the invention, the problems of heat management and water management of the air-cooled electric pile can be effectively solved, the working efficiency and environmental adaptability of the fuel cell are remarkably improved while the advantage of light weight is ensured, and the service life of the electric pile is prolonged.

The invention belongs to the field of preparation of high-end carbon materials, and relates to a method for desulfurizing high-sulfur petroleum coke. The core of the invention is to construct a'desulfurization-acidification-regeneration 'three-step closed cycle system. The system takes magnesium oxide as a circulating medium, firstly magnesium oxide reacts with sulfur in petroleum coke at a high temperature to be converted into magnesium sulfide, then sulfur is released and recovered through an acidification step, meanwhile magnesium is converted into an intermediate product magnesium hydroxide, and finally, the magnesium medium is recovered to be active through a thermal regeneration step, magnesium oxide is obtained, and circulation is completed.

The present application belongs to the field of hydrogen purification, and particularly relates to a temperature control type hydrogen purification system and a purification regeneration method. The system comprises a water tank, a refrigerator unit and an electric heater, at least one adsorption tower, a circulating water pump, a purge gas buffer tank, a purge pipeline and a control unit. The adsorption tower is of a jacket structure, and a coil pipe is arranged in the jacket. The inlet and outlet of the coil pipe are connected with the water tank to form a circulating water loop, so that the temperature in the adsorption tower is kept at 20-30 DEG C. The purge gas buffer tank is used for receiving and temporarily storing hydrogen obtained in the step of pressure reduction after normal discharge. The control unit is used for adjusting the pressure in the water tank to change the saturated vapor pressure of water, so that heat supply is realized in the same water body in the daily constant temperature adsorption and the regeneration stage. In the regeneration stage, the program control is adopted, which comprises constant temperature at a constant speed, constant temperature at a constant speed and constant temperature at a constant speed. In the normal production, the present application keeps the optimum adsorption temperature in the adsorption process, and when the adsorption tower needs to be regenerated, online regeneration is realized to avoid loss caused by discharge and reduce the production cost.

The invention belongs to the technical field of road maintenance equipment, and more particularly relates to a double-machine cooperative asphalt pavement field thermal regeneration centralized power supply system and method. The device is applied to asphalt pavement site thermal regeneration construction and comprises a first combined type heating machine integrated with a main diesel generator and a second combined type heating machine internally provided with an electric interface. The first combined type heating machine and the second combined type heating machine are each provided with a heating system, a hydraulic system and an electrical system. The power supply connecting device comprises a high-voltage cable and a quick plug connector; and the control system integrated on the first combined type heating machine realizes global monitoring and fault self-protection of the dual-machine power supply system through a power switch module, an overload protection module, a voltage monitoring module and a state display panel. Through cooperative operation of double machines, the operation distance can be flexibly adjusted to adapt to construction of different road surfaces; the transition refueling frequency is reduced by 50%, the time is shortened by more than 40%, and the construction efficiency is greatly improved.

The invention discloses an MDEA solution thermal regeneration and hydrogen sulfide analysis system and process method, and belongs to the technical field of gas purification and chemical separation. The system comprises a regeneration tower, a kettle type reboiler, a condensate tank and a gas phase balance pipeline, an oil collector is arranged at the bottom of the regeneration tower, and the shell pass liquid level of a kettle type reboiler is controlled by LT2 to be always higher than the top of a heat exchange tube bundle, so that full-immersion corrosion prevention is realized; steam condensate enters the condensate tank through the first condensate outlet pipeline, and the pressure in the condensate tank is synchronous with that of the steam inlet pipeline through the gas phase balance pipeline, so that the condensate is automatically discharged without a pump; and when the gas phase outlet temperature TE2 is smaller than or equal to 125 DEG C and the steam pressure PT1 after pressure reduction is larger than 0.4 MPa, steam is cut off in an interlocking mode, and MDEA thermal decomposition is prevented. The service life, the operation safety and the operation reliability of equipment are remarkably improved.

The invention relates to the technical field of heat recovery, in particular to a heat energy recovery management method, device, equipment and medium for a compression heat regeneration drying machine. The method comprises the steps that when high-temperature and high-humidity compressed air generated by an air compressor passes through a switching valve, an air guiding instruction is triggered; high-temperature and high-humidity compressed air is respectively guided to a first drying tower in an adsorption mode and a second drying tower in a regeneration mode; in the regeneration process of the second drying tower, preheating desorption is conducted on the drying agent in the second drying tower through high-temperature compressed air flowing through the first drying tower, and high-temperature regenerated gas is generated; the high-temperature regenerated gas is introduced into a regeneration cooler and exchanges heat with a cooling medium, so that the high-temperature regenerated gas is cooled and condensed, and liquid water is separated out; and the cooling medium after heat recovery is conveyed to a heat utilization unit, heat energy recycling is achieved, and operation parameters of the air compressor and the drying tower are coordinated in real time so as to maintain system pressure balance. The effect of improving the heat recovery efficiency during compression heat regeneration is achieved.

This utility model relates to the field of household appliances, and particularly to a condensation assembly for a rotary dehumidifier and the rotary dehumidifier itself. It includes a condensation base, a condensation tube assembly, and a condensation top cover. The condensation tube assembly connects the condensation base and the condensation top cover. The condensation base has an air inlet and an air outlet. The inner side of the condensation base has an inner cavity, which is divided into an air inlet cavity communicating with the air inlet and an air outlet cavity communicating with the air outlet. A water-blocking part is also provided on the inner wall of the air outlet cavity, located between the air outlet and the condensation tube assembly. The addition of a water-blocking part inside the air outlet prevents condensate from dripping onto the air outlet, thus improving the heat regeneration effect.

The invention provides a fuel-driven flexible heat regeneration type thermodynamic device, and belongs to the technical field of thermodynamics and thermodynamic. The heating furnace is communicated with the outside through a fuel channel and a heat source regenerator, the heating furnace is communicated with the outside through a fuel gas channel and the heat source regenerator, the outside is communicated with a compressor through a circulating working medium channel, and the compressor is communicated with a low-temperature expansion machine through a first circulating working medium channel and a second regenerator. The low-temperature expansion machine further communicates with the outside through a circulating working medium channel, the compressor further communicates with the expansion machine through a second circulating working medium channel via a heat regenerator and a heating furnace, and the expansion machine further communicates with the outside through a circulating working medium channel via a second heat regenerator after communicating with the expansion machine through the circulating working medium channel via the heat regenerator. And the expansion machine and the low-temperature expansion machine are connected with the compressor and transmit power, so that the fuel-driven flexible heat regeneration type thermodynamic device is formed.

The utility model relates to carbon dioxide manufacturing technical field provides a kind of for carbon dioxide production's adsorption tower drying system to handle original carbon dioxide gas, and original carbon dioxide gas refers to the gas with moisture and alcohol after not passing through pre rectification tower rectification treatment, including the first adsorption tower and second adsorption tower of the first heating regeneration component, second heating regeneration component being set respectively, first adsorption tower and second adsorption tower are connected in parallel between liquefier and pre rectification tower;First heating regeneration component and second heating regeneration component all include the molecular sieve of array setting and adsorbent fixed between adjacent molecular sieve, and the heating regeneration process in first adsorption tower and second adsorption tower is independent of each other.The utility model is according to the process of " one open one spare " independent participation handles original carbon dioxide gas, and alcohol removal water in a adsorption tower, not only simplify the treatment process before carbon dioxide gas liquefaction, and improve the alcohol removal efficiency of adsorption tower.

The invention relates to the technical field of refrigerants, in particular to a multi-component mixed refrigerant suitable for a temperature zone of-86 DEG C. The multi-component mixed refrigerant comprises a second group of substances, a fourth group of substances, a first group of substances, a third group of substances or one of the first group of substances and the third group of substances, and the first group of substances is methane R50, krypton R784 or a mixture of methane R50 and krypton R784; the second group of substances is ethylene R1150, ethane R170, xenon Xe or a mixture thereof; the third group of substances is propane R290, propylene R1270 or a mixture of the propane R290 and the propylene R1270; and the fourth group of substances is R601a, R601, R600a, R600 or a mixture of at least two of R601a, R601, R600a and R600. According to the refrigerant, by designing the components and the mass ratio of the refrigerant, efficient refrigeration in the temperature zone of-86 DEG C is achieved, meanwhile, it is ensured that the total amount of hydrocarbon refrigerant in a single refrigeration cycle is not larger than 150 g, the refrigerant is suitable for a heat regeneration and exchange type single-component cycle (LHR) refrigeration system, and the refrigeration efficiency and the system stability can be remarkably improved.

This utility model discloses an energy-saving compressed air supply system, including a centrifugal compressor unit with a first flow rate adjustment range; a variable frequency screw compressor unit with a second flow rate adjustment range; a compression heat regeneration adsorption drying system, the inlet of which is connected to the outlet of the centrifugal compressor unit; a freeze drying system, the inlet of which is connected to the outlet of the variable frequency screw compressor unit; a main air supply pipe, the outlets of the compression heat regeneration adsorption drying system and the freeze drying system are both connected to the main air supply pipe; and a monitoring and control system, including a pressure sensor, a flow meter, and a controller. Its advantages include the ability to achieve wide-range continuous air supply adjustment, full utilization of compression waste heat, significant reduction in system energy consumption, and provision of high-quality compressed air with stable pressure.

The invention discloses a heat pump system of a low-temperature methanol washing heat regeneration tower. The cost can be reduced. A tower kettle liquid pump sends tower kettle liquid into a high-temperature flash tank, the saturation temperature in the tower kettle liquid flash process is reduced to be lower than the tower top gas temperature, after flash evaporation, a gas phase enters a high-temperature compression stage front demister, a liquid phase enters a high-temperature evaporator, the tower kettle liquid passing through the high-temperature evaporator absorbs heat to form a gas phase and a liquid phase, the gas phase part enters the high-temperature compression stage front demister, and the liquid phase part enters the high-temperature compression stage front demister. The liquid phase enters a low-temperature flash tank, the saturation temperature of the tower kettle liquid in the low-temperature flash tank is reduced again, the gas phase enters a low-temperature compression demister after flash evaporation, the liquid phase enters a spraying pump, and the material entering the spraying pump enters a sprayer after being pressurized; methanol steam demisted by the low-temperature compression stage front demister is compressed by the low-temperature compression stage, the saturation pressure is increased, the methanol steam is overheated and then enters the high-temperature compression demister, and a gas phase of the high-temperature compression stage front demister enters the high-temperature compression stage, is compressed and then converges with liquid of the spray thrower to return to the tower kettle.

The invention relates to a thermal regeneration device based on waste pavement asphalt and a preparation method, the thermal regeneration device comprises a rack, a turnover frame is arranged on the rack, and the turnover frame is connected with a connecting cylinder through a rotating disc; one end of the connecting cylinder is fixedly connected with the inner cylinder, and the outer wall is sleeved with the stirring barrel for containing fine materials and coarse materials respectively; the connecting cylinder is provided with a filtering assembly to separate coarse and fine materials, the stirring barrel is provided with a heating assembly to circularly heat the coarse materials through jacket hot water, and waste heat is utilized to secondarily heat the fine materials; a material box and a pump body are arranged on one side of the rack and are matched with an asphalt spraying assembly with double spraying pipes to realize uniform spraying of an additive; the thermal regeneration device can realize separate heating of coarse and fine materials to improve regeneration quality, waste heat recovery reduces energy consumption, and is uniform in mixing, convenient to operate and suitable for being popularized on a road maintenance site.

The invention relates to the technical field of asphalt mixture processing and manufacturing, and discloses a recycled asphalt mixture production method which comprises the following steps: a control center receives an instruction to lock a mechanical gate, disconnects a linkage state of a primary device and a regeneration device, and establishes a single-roller operation state; the asphalt pavement milling material is put into a reclaimed material roller for single-roller direct heating; performing water vapor protection, flow field decoupling and thermal permeation anti-oxidation control on the heated regenerated material through a frequency converter and a combustor, and outputting an activated regenerated material; and discharging into a mixing cylinder for dry mixing, calculating an active power attenuation derivative to judge a thermal activation state, and generating a cross-stage feedforward correction instruction to complete continuous production. A cold air leakage path is cut off, free oxygen is blocked by water vapor, internal heat permeation conduction is switched, and high-temperature aging of old asphalt is avoided; the internal cold core is objectively recognized through electrical characteristics, the operation speed is lowered, the material heating time is prolonged, and continuous output of unqualified products is blocked.

The invention discloses a steam heating zero-gas-consumption compression heat regeneration adsorption type drying machine which is applied to the field of waste gas treatment and comprises an adsorption assembly, the adsorption assembly comprises an adsorption cylinder, a certain gap is reserved between the adsorption cylinder and the inner wall of a drying tank, an interlayer is machined in the cylinder wall of the adsorption cylinder, an adsorbent is placed in the interlayer, and the adsorption cylinder is arranged in the interlayer. A plurality of filter holes are formed in the cylinder wall of the adsorption cylinder, a rotating shaft is arranged in the adsorption cylinder, a baffle, a scraper blade and a flow guide part are sequentially and fixedly mounted on a shaft body of the rotating shaft, the baffle comprises a first semicircular plate and a second semicircular plate, the diameter of the first semicircular plate is the same as that of the adsorption cylinder, and the diameter of the second semicircular plate is the same as that of the adsorption cylinder. And the diameter of the semicircular plate II is the same as that of the inner wall of the drying tank.

This application discloses a system for dehydrating and capturing carbon dioxide from flue gas, belonging to the fields of flue gas treatment and adsorption / absorption technology. The system includes a diversion valve, a heat exchanger, a regenerative regeneration wheel, a hollow dehydration assembly, a gas-liquid separator, a booster pump, a carbon dioxide adsorption device, and a carbon dioxide storage tank. After diversion, the flue gas flows in two streams: one stream enters the regenerative regeneration wheel for adsorption and dehydration, while the other stream passes through the heat exchanger and then enters the regenerative regeneration wheel for regeneration. The treated flue gas then sequentially passes through the hollow dehydration assembly, the gas-liquid separator, and the booster pump before entering the carbon dioxide adsorption device. The captured carbon dioxide is stored in the carbon dioxide storage tank. This system can be used for moisture removal and carbon dioxide capture from flue gas.

The application discloses a kind of without heating regeneration carbon dioxide normal temperature removal process and system, belong to natural gas decarburization field;A kind of without heating regeneration carbon dioxide normal temperature removal process, comprising the following steps:S1, raw material gas pretreatment;S2, CO2 absorption;S3, rich liquid flash evaporation;S4, lean liquid regeneration;S5, material circulation;The application is effectively solved by the absorption part of being set, the pain point that edge filler reaction is not sufficient, the low life of central filler;Can shake and scatter adhesion filler ball, clean filter hole impurity, avoid filter hole blockage, further improve gas-liquid mass transfer efficiency;Can buffer knock impact force, prevent that filler plate is damaged;Can effectively protect electric telescopic rod, and maintenance is convenient, need not to disassemble whole tower body, shorten maintenance cycle, guarantee production continuity;Can avoid liquid flooding, channeling phenomenon.

The invention belongs to the technical field of carbon dioxide capture and regeneration, and particularly relates to a magnetic nanofluid pseudo-homogeneous-microwave synergistic carbon dioxide desorption method. The invention provides an application of a nickel ferrite material as a catalyst in carbon dioxide absorption pregnant solution regeneration. According to the invention, the carrier-free and undoped spinel-type structure NixFe3-xO4 is used as a catalyst for carbon dioxide absorption rich liquid regeneration, and the catalyst has microwave absorption, catalytic activity and magnetic responsiveness. According to the desorption method provided by the invention, the nickel ferrite material forms a stable quasi-homogeneous dispersion system in the carbon dioxide absorption rich solution, and then under the conditions of low-temperature microwave radiation and stirring, the CO2 desorption load rate reaches more than or equal to 55% within 10-30 min, the desorption reaction rate is increased by more than or equal to 20% compared with that of traditional thermal regeneration, and the desorption time is reduced by more than half compared with that of traditional thermal regeneration.

The invention belongs to the technical field of waste asphalt mixture regeneration, and discloses an asphalt reclaimed material oilstone separation fine aggregate grading activation plant mixing hot regeneration process based on ultrasonic vibration. Comprising the following steps: (1) ultrasonic vibration oil-stone separation: crushing and screening the waste asphalt mixture, and breaking and separating an aged asphalt film through the synergistic effect of ultrasonic vibration and hot air; (2) grading and activating the fine aggregate: grading the separated fine aggregate by a multi-stage rotary separation bin according to the particle size, and dynamically grinding by combining preheating at 40 DEG C with a silicon carbide grinding rod; (3) blending a composite regenerant and an optimized material, namely uniformly adding the composite regenerant containing petroleum asphalt, waste engine oil, nano silicon dioxide and a hindered amine light stabilizer through ultrasonic atomization; the mixing temperature is 140 to 170 DEG C, and 0.1 to 0.3 percent of rock asphalt modifier is added. According to the invention, the energy consumption is reduced by more than 30%, the dynamic stability of the regenerated mixture is greater than 6000 times / mm, the freeze-thaw splitting strength ratio is greater than or equal to 85%, and the method has high efficiency, economical efficiency and environmental protection property, and is suitable for large-scale regeneration of waste asphalt.

This invention belongs to the field of activated carbon regeneration technology, specifically relating to a modified thermal regeneration method for waste activated carbon. This invention enhances the oxidation performance of hydrogen peroxide through complexation with tannic acid and ferric chloride, and promotes the desorption of adsorbates from the surface of waste activated carbon using ultrasound assistance. This deep oxidation desorption removes most soluble pollutants and some blockages. Further deep oxidation desorption of large-molecule organic adsorbates using ozone reduces the harmful fumes that may be generated by traditional pyrolysis. Finally, staged steam activation avoids high-temperature sintering of the activated carbon, and heat is returned to the ozone reactor via a heat exchanger to reduce reaction energy consumption. This modified thermal regeneration method for waste activated carbon uses oxidation combined with thermal regeneration to avoid secondary pollution and reduce reaction energy consumption, resulting in a lower carbon loss rate and improved quality of the regenerated activated carbon.

The invention relates to the technical field of thermal regeneration, and particularly discloses a front combined heat exchange device for a saturated activated carbon thermal regeneration system, which comprises a primary heat exchanger and an air inlet pipe arranged on the primary heat exchanger, and further comprises an adjusting assembly and a control assembly, the adjusting assembly comprises an adjusting plate assembled in the first-stage heat exchanger in a sliding mode, an elastic piece connected with the adjusting plate and a transmission piece matched with the adjusting plate. The adjusting plate and the control assembly are arranged in a spaced mode, a pressure stabilizing area is formed between the adjusting plate and the control assembly, and the air inlet pipe is communicated with the pressure stabilizing area. The control assembly comprises a first baffle, a second baffle and a control plate, the first baffle and the second baffle are arranged at intervals, and a through opening is formed between the first baffle and the second baffle. The control panel is assembled between the first baffle and the second baffle in a sliding mode and used for controlling the opening and closing states of the through opening, and the transmission part is connected with the control panel. The front combined heat exchange device for the saturated activated carbon heat regeneration system has the effect of reducing energy waste.

The invention provides a steam heat storage system of a coupling coal power unit and a capacity determination method, and belongs to the technical field of coupling heat storage systems of coal power units. The coal power unit in the steam heat storage system coupled with the coal power unit comprises a boiler and a steam turbine unit; the coal power unit further comprises a regenerative system. The inlet end of the regenerative system is connected with the outlet end of the turboset, and the outlet end of the regenerative system is connected with the inlet end of the boiler. A steam-water mixing heater, a low-temperature water storage tank and a high-temperature water storage tank are arranged in the steam heat storage system of the coupling coal power unit. A steam inlet of the steam-water mixing heater is connected with the turboset, a water inlet of the steam-water mixing heater is connected with an outlet of the low-temperature water storage tank, and a water outlet of the steam-water mixing heater is connected with an inlet of the high-temperature water storage tank. An inlet of the low-temperature water storage tank and an outlet of the high-temperature water storage tank are both connected with a condensed water outlet of the heat regeneration system. The problem that potential safety hazards exist due to the fact that the deep peak regulation capacity is insufficient in the prior art is solved.

The invention belongs to the technical field of nuclear energy power generation, and discloses an advanced high-temperature reactor coupled Brayton cycle power generation system which comprises an advanced high-temperature reactor subsystem and a Brayton cycle subsystem, the advanced high-temperature reactor subsystem comprises an advanced high-temperature reactor, the outlet temperature of helium is 750-1000 DEG C, and the outlet temperature of nitrogen is 750-1000 DEG C; the Brayton cycle subsystem comprises a compression device, a heat regeneration device, a turbine device and a cooling device, the temperature of carbon dioxide fluid at an inlet of the turbine device is 500-700 DEG C, the optimal operation state of the Brayton cycle subsystem can be achieved, the heat-work conversion efficiency is improved, and even if carbon dioxide enters a reactor core of an advanced high-temperature reactor due to leakage of a heat exchanger, the carbon dioxide can be recycled. And moreover, the supercritical fluid does not generate phase change in the heat exchanger, so that the operation safety is improved.

The present invention relates to an air conditioner. The air conditioner, according to an embodiment of the present invention, may comprise: a heat recovery coil as a heat exchanger for recovering waste heat generated while operating a cycle unit; and a regeneration coil as a heat exchanger for regenerating a dehumidifying rotor by using waste heat generated while operating the cycle unit.

The utility model discloses a heating regeneration and vacuum regeneration coupled low-energy-consumption amine liquid decarbonization system, and belongs to the technical field of energy conservation and environmental protection. The utility model solves the problem of high energy consumption caused by the fact that the heated and regenerated lean amine solution needs to be cooled through a cooling tower before entering an absorption tower in order to ensure that the lean amine solution has high absorption capacity in the absorption tower in the conventional decarbonization system. An amine liquid outlet at the bottom of the regeneration tower is connected to an inlet of the flash evaporator, and a lean amine liquid outlet of the flash evaporator is connected to a lean amine liquid inlet of the absorption tower. The flash evaporation process is arranged between the regeneration tower and the absorption tower, the solubility characteristic of carbon dioxide in the amine liquid is utilized, high vacuum is applied to achieve further mass decarburization, in the vacuum decarburization process, the temperature of the amine liquid can be further reduced, and then energy consumption is effectively reduced.

The invention discloses a South China Sea carbon-rich natural gas decarburization process and device for methanation, and belongs to the technical field of new energy consumption and natural gas chemical industry. The decarburization device comprises an absorption system, a condensation liquefaction system, a flash evaporation system, a thermal regeneration system and a water washing system. By means of high integration of natural gas condensation and liquefaction, decarburization load distribution, throttling refrigeration and the like and process parameter optimization, the good energy-saving purpose can be achieved, good economical efficiency and reliability are achieved, the process is environmentally friendly, and the method is suitable for treating natural gas resources with high CO2 content in the South China Sea.

The application discloses a low-temperature methanol washing system and method for treating unconverted gas, wherein the low-temperature methanol washing system comprises a first lean methanol pipe, a circulating gas pipe, a raw material gas cooler, a raw material gas separation tank, a washing tower, a medium-pressure flash tower, an H2S concentration tower, a semi-lean liquid stripping tower, a normal-temperature stripping tower, a hot regeneration tower, a lean methanol tank, a third lean methanol pipe, a CO2 flash tank, a methanol / water separation tower, a first tail gas pipe, a second tail gas pipe and a tail gas water washing tower. The process flow for separately treating unconverted gas is reasonable in design, meets the purification indexes and environmental protection requirements, and fills the blank of the low-temperature methanol washing for separately treating unconverted gas.

This invention relates to the field of dehumidification equipment technology, and particularly to an adsorption-type rotary dehumidifier, comprising a housing, a dehumidifying rotary drum, and a heating and regeneration mechanism. An installation cavity is formed within the housing, with a processing air inlet at one end and a processing air outlet at the other. The dehumidifying rotary drum is rotatably mounted within the installation cavity, with the processing air inlet and outlet located on opposite sides of the drum's axis. A drive mechanism is mounted on the housing. Multiple dehumidification channels are spaced apart on the circumferential wall of the dehumidifying rotary drum, and a moisture-absorbing medium is placed within these channels. The heating and regeneration mechanism is installed inside the housing, located on one side of the dehumidifying rotary drum's axis. This mechanism heats a designated area of ​​the dehumidifying rotary drum and discharges regeneration air from the housing. Through this technical solution, the heating and regeneration mechanism heats and desorbs moisture from a designated area of ​​the dehumidifying rotary drum, achieving rapid and efficient regeneration of the dehumidifying drum's moisture absorption capacity and ensuring the device's continuous long-term use.