616 results about "Superheated steam" patented technology

The invention relates to the technical field of bearings, and provides a hydrostatic bearing gas supply system which comprises a first gas supply subsystem and a second gas supply subsystem, the first gas supply subsystem comprises a first pipeline, a first check valve, a first reaction mechanism, a second reaction mechanism and a degassing structure, and the first reaction mechanism, the second reaction mechanism and the first pipeline are sequentially connected; a reactant is arranged in the first reaction mechanism, a catalyst is arranged in the second reaction mechanism, and the first check valve and the degassing structure are arranged on the first pipeline; the second gas supply subsystem is connected with the first pipeline; when the gas source is cut off, the reactant and the catalyst are subjected to chemical reaction in the second reaction mechanism to generate water vapor and oxygen, the degassing structure is used for consuming the oxygen and generating superheated steam, and the superheated steam enters the hydrostatic bearing. The air supply system for the hydrostatic bearing provides the pure water vapor working medium for the hydrostatic bearing, so that the normal operation of the hydrostatic bearing is ensured, and the hydrostatic bearing is prevented from being damaged.

The invention relates to the technical field of bearings, and provides a hydrostatic bearing air supply system capable of improving transient bearing capacity, which comprises a first air supply subsystem and a second air supply subsystem, the first gas supply subsystem comprises a first pipeline, a first switch valve, a reaction mechanism and a degassing mechanism, reactants are arranged in the reaction mechanism, the reaction mechanism is communicated with the first end of the first pipeline, the second end of the first pipeline is used for being communicated with the hydrostatic bearing, and the first switch valve and the degassing mechanism are both arranged on the first pipeline; the degassing mechanism is positioned between the reaction mechanism and the first switch valve; the second air supply subsystem is used for communicating with the hydrostatic bearing through a first pipeline; the first switch valve is used for being opened under the condition that the hydrostatic bearing is impacted, so that water vapor in the hydrostatic bearing enters the reaction mechanism to be chemically reacted with reactants, and water vapor and oxygen are generated; the degassing mechanism is used for consuming oxygen and generating superheated steam. Normal operation of the hydrostatic bearing can be guaranteed, and the hydrostatic bearing is prevented from being damaged due to rotor collision.

The invention discloses a high-pressure combustion combined heat and power generation energy storage system and method for hydrogen and oxygen production through electrolysis, and relates to the field of hydrogen energy storage. After the electrolytic cell produces high-pressure hydrogen and oxygen, the high-pressure hydrogen and oxygen are stored in the hydrogen / oxygen storage tank, the system can operate in a hydrogen / oxygen mode, and in the oxygen mode operation, the hydrogen and oxygen steam mixed gas from the oxygen storage tank and the hydrogen / oxygen evaporation compressor are combusted in the high-pressure combustion chamber to generate superheated steam, and then the superheated steam enters the expansion turbine to do work; due to excessive oxygen, dead steam after acting is separated into two working media through a gas-liquid separator, that is, gas enters a cooler to be cooled and then returns to a combustion chamber through a hydrogen / oxygen evaporation compressor, drainage water generated after liquid enters a heat supply heat exchanger is pressurized through a water pump and then enters a high-temperature combustion chamber, and therefore clean utilization of hydrogen energy and cyclic regeneration of the working media are achieved. The system can realize high power generation efficiency and excellent environmental protection performance, and is suitable for regions requiring stable consumption of fluctuating renewable energy sources, power and heat supply and the like.

The invention provides an energy gradient utilization steam Rankine cycle power generation system and method for nuclear fusion, and belongs to the field of nuclear fusion energy conversion and utilization. Different temperature heat of a cladding, a divertor and a vacuum chamber is guided into a high-temperature independent heat storage loop, a medium-temperature independent heat storage loop and a low-temperature independent heat storage loop respectively, an operation section stores heat, and a pause section releases heat; feed water is heated step by step through a multi-stage preheater, an evaporator and a superheater according to the sequence of low temperature, medium temperature and high temperature, and superheated steam of 550 DEG C is formed to continuously drive a turbine to generate power. Decoupling of intermittent output of the fusion reactor and continuous operation of the power generation system is achieved, steam extraction of a steam turbine is omitted, the structure is simplified, and the energy utilization rate and the circulation efficiency are improved.

The invention discloses an activated carbon anoxic pyrolysis and steam regeneration process method and device, and relates to the field of activated carbon regeneration. The process method comprises the following steps: S1, dehydration preparation: reducing the moisture content of a carbon layer to 45% through hydraulic conveying and negative pressure dehydration; s2, drying pyrolysis and air stripping, wherein a carbon layer is heated to 300-400 DEG C through circulating heating of superheated steam and tail gas; s3, steam activation: introducing 900 DEG C tail gas to raise the temperature of the carbon layer to 800-850 DEG C for activation reaction; and S4, cooling, namely sequentially cooling to 100 DEG C or below through steam and cold water to complete regeneration of the activated carbon. The energy efficiency utilization rate is excellent, the pore structure is fully recovered, the specific surface area, the polar group content and the adsorption performance of the regenerated activated carbon can be remarkably improved, and the service life of the activated carbon is prolonged.

According to the method and system for calculating the efficiency of the low-pressure cylinder of the steam turbine on line, under the reference working condition and multiple working conditions, parameters such as steam pressure, temperature and back pressure of an inlet and an outlet of a first stage, a second stage and a third stage of the low-pressure cylinder are collected, the efficiency of each stage and the efficiency of the low-pressure cylinder are calculated, dimensionless processing is carried out, and the efficiency of the low-pressure cylinder is calculated; and establishing a multiple regression model which takes the superheated steam stage efficiency as an independent variable and takes the low-pressure cylinder efficiency as a dependent variable. And considering the influence of the back pressure on the efficiency of the low-pressure cylinder, establishing a compensation model, and correcting the predicted efficiency of the low-pressure cylinder. In actual operation, the parameters are collected in real time, the efficiency of the current stage is calculated and substituted into the regression model and the compensation model, and the real-time efficiency of the low-pressure cylinder is obtained. According to the method, direct measurement of wet steam parameters is avoided by utilizing superheated steam stage data which are easy to obtain, real-time and accurate calculation of the efficiency of the low-pressure cylinder under different working conditions is realized, and the method can be widely applied to performance monitoring, operation optimization and fault diagnosis of a turboset.

The electric steam boiler system is characterized in that a water supplementing pipeline is connected with an electrode boiler through a fourth valve, the output of the electrode boiler is connected with a spherical tank through a pipeline and a first valve, and saturated steam directly discharged from the spherical tank is connected with a user side through a pipeline and a tenth valve; and the output of the spherical tank passes through the solid energy storage superheater before being connected with the user side through a pipeline and a third valve. The system is high in energy storage efficiency, long in service life and high in safety, the solid energy storage superheater directly heats saturated steam stored in the spherical tank, simultaneous charging and discharging can be achieved, the electric steam boiler system can rapidly adapt to changes of different heat using scenes and requirements, and the electric steam boiler system can produce both saturated steam and superheated steam.

A liquid blast furnace slag granulation and waste heat recovery system and method, which comprises a cyclone heat exchange device, a granulation device, and a waste heat recovery device. The granulation device injector sprays compressed air and water into high-speed jets to shear the molten blast furnace slag falling freely into the flow hood from the slag tank, and the molten blast furnace slag is broken and solidified into solid particles under the shearing and impact of the high-speed jets. The granulated blast furnace slag enters the cyclone heat exchanger with high-temperature air and steam to achieve rapid separation. The deoxygenated water is pressurized by a hot water pump and then sent to the spiral pipe bundle to exchange heat with the high-temperature gas outside the pipe to obtain saturated or superheated steam, which is delivered to the second heat exchanger of the waste heat recovery device. The high-temperature slag separated from the gas enters the first heat exchanger, and the heat exchange pipe bundle in the first heat exchanger drum is supplied with cooling water to absorb the heat of the high-temperature slag and convert it into steam, and the temperature of the high-temperature slag is further reduced to below 100 DEG C. The low-temperature slag particles flow out from the bottom of the waste heat recovery device and are sent out for recycling by a conveying device.

The invention belongs to the technical field of forest chemical industry and natural perfume extraction and separation, and particularly discloses a superheated steam distillation separation and recovery method for perfume components in cinnamon oil rectifying still residues. The method comprises the following steps: processing the cinnamon oil rectifying still residues by adopting a steam distillation method taking normal-pressure superheated steam as a desorption medium, carrying out condensation cooling and phase separation on distilled oil-water mixed gas, and collecting oily liquid or crystalline solid containing cinnamon spice components, and carrying out one or more physical isolation methods such as freezing crystallization, vacuum fractionation or rectification, recrystallization and the like to obtain natural cinnamon monomer spices such as o-methoxycinnamaldehyde, o-methoxycinnamic acid, phenethyl alcohol and the like. The method has the advantages of low equipment investment, simple and feasible operation, low production cost, clean and pollution-free process, good operation safety, high industrial application feasibility and the like.

The invention relates to the technical field of pet food processing, and discloses a pet fresh food curing method adopting sectional type temperature control cooking, and the method comprises the following steps: carrying out vacuum degassing on a meat paste matrix containing a functional structure stabilizer; injecting saturated water vapor to carry out negative-pressure low-temperature condensation curing; superheated steam, nitrogen and water mist are introduced to execute a pressure pulsation oscillation program, and three-phase pulsation permeation is carried out; and then the pressure is quickly relieved to deep vacuum, gradient pressure difference is used for driving adiabatic flash evaporation pore forming and water evaporation, and finally normal-pressure discharging is recovered. The protein thermal damage is reduced through negative-pressure low-temperature curing, heat and mass transfer is enhanced through gas-steam-fog three-phase pulsation, dissolved gas is separated out and nucleated through the flash evaporation process, a uniform loose porous structure is constructed, the rehydration property and texture property of the product are remarkably improved, and the product quality is improved. And the problems of surface hardening and non-uniform central curing caused by traditional cooking are solved.

The invention belongs to the technical field of food processing, and particularly relates to a method for preparing frozen noodles by treating wheat flour with superheated steam, which comprises the following steps: treating wheat flour with superheated steam, crushing, sieving, and mixing with untreated wheat flour to obtain compound wheat flour; adding water and seasonings into the compound wheat flour to prepare dough, and fermenting to prepare raw noodles; and freezing and preserving the raw noodles. The wheat flour is modified by adopting a green and additive-free superheated steam continuous treatment method with a simple process flow, and the prepared noodles are good in texture quality and taste quality, stable in texture, taste, moisture retention capability and cooking loss performance in multiple freezing and thawing cycles, still good in appearance quality and texture quality after multiple freezing and thawing cycles, and good in taste. The quality of frozen noodle products in the storage and transportation processes can be maintained, and the circulation adaptability is improved.

The invention provides a preparation method for producing a carbon-based material based on a pyrolysis gas self-energized and self-supplied activating agent, and relates to the technical field of carbon material preparation. Comprising the following steps: pyrolyzing and mixing biomass in a high-temperature pyrolysis carbonization gasification activation furnace and a low-temperature carbonization furnace to obtain mixed pyrolysis gas and a carbon-based material; the mixed pyrolysis gas is divided into a first combustion gas flow and a second combustion gas flow, part of the first combustion gas flow is combusted and supplies heat and a gasification activating agent to the high-temperature pyrolysis carbonization gasification activating furnace, and the rest of the first combustion gas flow is combusted and supplies heat to reforming of the reforming pyrolysis gas. The second combustion gas flow is self-powered and purified to generate reformed gas; cooling the reformed gas step by step, separating the reformed gas into CO2-rich gas and CO + H2-rich gas through pressure swing adsorption, and storing the CO2-rich gas and the CO + H2 The target gas flow is regulated and controlled through a proportional valve, the target gas flow is mixed with high-temperature flue gas generated in the energy supply combustion chamber and self-produced superheated steam generated by combustion of part of the first combustion gas flow to form target high-temperature activated mixed gas, and the target high-temperature activated mixed gas is input into the high-temperature cracking, carbonization and gasification activation furnace to regulate and control the pore structure or interlayer spacing of the carbon-based material to produce the high-value carbon-based material.

The invention relates to the field of power generation, and provides a wind, light and heat storage flexible adjustment power generation system which comprises a grid-connected controller and a Carnot battery system which are connected, and the Carnot battery system comprises a first heat pump, a heat exchanger and at least two heat storage tanks; the wind and light power generation system is electrically connected with the grid-connected controller, and the grid-connected controller is used for splitting total fluctuation electric energy generated by the wind and light power generation system into a reference electric energy component and a fluctuation electric energy component; the input end of the electric heater is connected with the grid-connected controller, and the electric heater is used for heating the heat storage tank by utilizing the fluctuation electric energy component; the steam power generation system comprises a steam turbine; the at least two heat storage tanks comprise a low-temperature tank and a high-temperature tank, the first heat pump is used for conveying heat in the low-temperature tank to the high-temperature tank, the heat in the high-temperature tank is introduced into the heat exchanger to heat condensate water into superheated steam, and the superheated steam is used for pushing the steam turbine to generate power. Through a grid-connected controller and a Carnot cell, flexible and stable power supply of wind-solar heat storage and efficient utilization of electric energy are realized.

The invention relates to a hydrogen ore carrier gas-solid two-phase conversion method which is suitable for a gas-solid two-phase conversion device containing a hydrogenation container and a hydrogen desorption container. The hydrogenation container is provided with a first heat preservation container and a first pipe group and is provided with a feeding port and a discharging port; the hydrogen releasing container comprises a second heat preservation container, a second pipe set, a feeding port, a discharging port and a hydrogen collecting pipeline. The method comprises the following steps: placing a solid hydrogen storage carrier to be loaded in a hydrogenation container, heating, introducing hydrogen, and introducing cooling water after complete absorption; and putting the full-load solid hydrogen storage carrier into a hydrogen releasing container, heating to promote the hydrogen to be discharged, releasing the hydrogen after the hydrogen is completely discharged, and introducing cooling water to complete conversion. Accurate temperature control is realized by adopting rapid heating of superheated steam and timely cooling of cold circulating water; and the heat source is adaptive to various hydrogen storage carriers. Hydrogenation and hydrogen desorption are carried out in different containers, cross contamination is prevented, and efficient process is guaranteed. The metal small-particle hydrogen storage carrier is large in specific surface area, and the hydrogen storage efficiency is improved. A steam heat source is quick in heat transfer, good in temperature control, shortened in reaction period and beneficial to industrial application.

The invention relates to a wind-solar complementary coupling heat and power cogeneration system based on wide-temperature-range fused salt heat storage, which is characterized in that compression is driven by wind energy, low-temperature fused salt is heated into medium-temperature fused salt in a heat exchange mode, and then the medium-temperature fused salt is heated into high-temperature fused salt in a light energy heat transfer mode, so that wide-temperature-range fused salt heat storage is realized; then heat release from high-temperature molten salt to medium-temperature molten salt and heat release from medium-temperature molten salt to low-temperature molten salt are built, high-temperature, medium-temperature and low-temperature circulation of the molten salt is achieved, superheated steam is generated through water heat release of the high-temperature molten salt to push a turboset to work to drive a generator (5) to generate electricity, and heat supply is achieved through heat release of the medium-temperature molten salt and heat exchange in the medium-temperature molten salt obtaining process; in this way, efficient integration of air cooling and light energy is completed in an energy cascade mode, decoupling type combined supply of electric energy and heat energy is achieved, the energy utilization efficiency of the system is improved, meanwhile, the stability and peak regulation performance of the system are greatly improved, and the flexibility, safety and economical efficiency of the electric power system are achieved.

The invention provides a peak regulation power generation system and method coupling fused salt heat storage and steam supplementing of a steam turbine, and relates to the technical field of heat energy engineering.The system comprises a fused salt heat storage and heat exchange system comprising a low-temperature fused salt tank, a fused salt heater, a high-temperature fused salt tank and a fused salt steam-water heat exchanger; comprising a gas-fired boiler, a steam turbine and a water supply system; the fused salt heater is used for receiving low-temperature fused salt fed by the low-temperature fused salt tank through the low-temperature fused salt pump in the electricity utilization trough period and heating the low-temperature fused salt through heat provided by the gas-fired boiler. The fused salt steam-water heat exchanger is used for receiving high-temperature fused salt fed by the high-temperature fused salt tank through the high-temperature fused salt pump during the peak period of electricity consumption and transferring heat energy of the high-temperature fused salt to high-pressure feed water from the water supply system to generate superheated steam; and one part of the superheated steam is fed into a main steam main pipe connected with the gas-fired boiler. The power generation efficiency of the steam turbine can be effectively improved, and efficient utilization of heat energy and flexible adjustment of power grid loads are achieved.

The present application provides a kind of green low-carbon biomass coupling molten salt energy storage system for preparing methanol, belongs to the field of methanol preparation system.The problem of methanol release gas and surplus biomass gas produced in the process of biomass gasification for preparing methanol needs to be treated is solved.New energy electricity is partly used for electrolysis of water, and partly as abandoned electricity into molten salt electric heater.Hydrogen produced by electrolysis of water enters catalytic synthesis tower, and oxygen is used for biomass gasification.Carbon monoxide, hydrogen and carbon dioxide produced enter catalytic synthesis tower, and methanol is synthesized in catalytic synthesis tower.Biomass, surplus biomass gas and formaldehyde release gas enter high-temperature high-pressure biomass fluidized bed boiler, and then superheated steam produced by high-temperature high-pressure biomass fluidized bed is used as a catalytic temperature heat source for producing methanol, and the remaining steam enters a power generation system for power generation to ensure stable power supply of the entire system.The high-temperature high-pressure steam produced for power generation can improve the unit efficiency.

The invention provides a precise temperature reduction control device and method, and the device comprises a steam inlet module which is used for introducing high-temperature and high-pressure steam, and carrying out the pressure reduction of the steam; the mixing module is used for mixing the steam subjected to pressure reduction and atomized water and scattering fog drops to obtain steam subjected to temperature reduction; the control module is used for collecting the real-time steam temperature and pressure of the steam inlet module and the temperature before atomized water injection in real time, obtaining the enthalpy value of current superheated steam, the enthalpy value of target saturated steam and the enthalpy value before atomized water injection through table look-up by combining the real-time steam temperature and pressure of the steam inlet module and the temperature before atomized water injection, and calculating the target water injection amount. A corresponding water spraying amount control instruction is generated; the atomized water supply module is used for spraying atomized water to the mixing module based on the water spraying amount control instruction; and the steam outlet module is used for outputting the steam after temperature reduction. The steam and atomized water can be fully mixed, the water spraying amount is accurately controlled, and the dryness of the steam after temperature reduction is guaranteed.

The utility model relates to the technical field of steam quality detection, in particular to a full-automatic steam quality detector, which comprises a flow limiting device, a detector and a controller, the heating device is connected with the flow limiting device and used for heating the throttled steam to superheated steam; the heat exchange device is connected with the heating device and used for condensing the steam; the non-condensable gas measuring device is connected with the heat exchange device and is used for collecting non-condensable gas; the flow limiting device, the heating device, the heat exchange device and the non-condensable gas measuring device are all connected with the controller. According to the steam quality detection device, the steam quality detection structure is simplified.

The utility model provides a methanol-to-olefin starting system, belongs to the technical field of methanol-to-olefin, and solves the problems of high danger coefficient, high nitrogen consumption and high fuel consumption in the prior art. The device comprises a methanol tank, a reactor and a regenerator connected with the reactor, the reactor is provided with a feeding pipe, the feeding pipe is communicated with a medium-pressure steam inlet pipe, the regenerator is connected with an auxiliary combustion chamber, the bottom of the methanol tank is connected with a heat exchanger a through a pipeline, and the heat exchanger a is communicated with the feeding pipe through a pipeline. The top of the reactor is connected with a heat source inlet of the heat exchanger a. Medium-pressure superheated steam is matched with the auxiliary combustion chamber to heat and start, operation is easy, the structure is simple, layout is reasonable, nitrogen and fuel gas are saved, and start cost and investment cost are reduced. And a heating furnace is prevented from being started, so that the danger is reduced, and higher safety and reliability are realized.

The present application provides a kind of gasification fine slag dewatering drying recycling method and system, using the scheme of the present application, can carry out dewatering drying to high water content gasification fine slag and be used as fuel and be used as resource.The method comprises the following steps: 1) coal gasification black water is treated in black water treatment unit, and flash gas and the gasification fine slag to be treated are obtained;2) the gasification fine slag to be treated is sent into fine slag preheater and is preheated with heat medium;3) the preheated gasification fine slag is sent into drying device and exchanges heat with superheated steam, and dry gasification fine slag and secondary steam are obtained;4) secondary steam is treated by dust removal, and the obtained dust removal secondary steam is sent into fine slag preheater and used as the heat medium;5) the secondary steam output from fine slag preheater is superheated, and superheated steam is obtained;superheated steam is sent into drying device for the heat exchange;6) dry gasification fine slag is sent into combustion unit as fuel and used.

This invention discloses a low-temperature methanol wash tail gas treatment device and its treatment process, relating to the field of waste gas treatment technology. The low-temperature methanol wash tail gas treatment device and its treatment process include a treatment tank, an inlet pipe connected to the treatment tank for conveying the low-temperature methanol wash tail gas to be treated, and a recovery tank connected to the treatment tank for recovering excess heat energy and producing superheated steam. The treatment tank contains: a heat storage ceramic, fixed in the recovery tank to absorb the heat released during the tail gas oxidation process; and a return gas pipe, one end of which is connected to the recovery tank for conveying the heat-absorbed tail gas, and the other end of which is connected to the inlet pipe. Part of the heat generated during the oxidation of the low-temperature methanol wash tail gas heats the heat storage ceramic in the treatment tank, enabling the treatment tank to operate under self-heating. The recovery tank recovers another portion of the heat, producing medium- and high-pressure superheated steam as a byproduct, bringing long-term cost savings and environmental protection benefits to enterprises.

The invention relates to the technical field of bearings, and provides a hydrostatic bearing gas supply system capable of continuously supplying gas, the hydrostatic bearing gas supply system comprises a first gas supply subsystem and a second gas supply subsystem, the first gas supply subsystem comprises a first pipeline, a first valve, a first reaction mechanism, a second reaction mechanism and a degassing structure, the first reaction mechanism is internally provided with a reactant, and the second reaction mechanism is internally provided with a second pipeline; the first valve and the degassing structure are arranged on the first pipeline; the second gas supply subsystem is connected with the first gas supply subsystem; the first valve is used for being opened when the second gas supply subsystem breaks down, reactants in the first reaction mechanism enter the second reaction mechanism to be subjected to chemical reaction, water vapor and oxygen are generated, and the degassing structure is used for consuming oxygen and generating superheated steam. According to the hydrostatic bearing gas supply system capable of continuously supplying gas, high-temperature and high-pressure water vapor and oxygen are generated through chemical reaction, the oxygen is consumed through the degassing structure, a pure water vapor working medium is provided for the hydrostatic bearing, and normal operation of the hydrostatic bearing is guaranteed.

The invention discloses a sludge resourceful treatment device and process based on superheated steam heat drying, the sludge resourceful treatment device comprises a sludge reaction tank main body, the sludge reaction tank main body comprises a support frame, a reaction tank inner cylinder and a reaction tank jacket, a double-layer sludge tray is horizontally mounted in the reaction tank inner cylinder, an inner cylinder pressure monitoring system is arranged in the reaction tank inner cylinder, and the inner cylinder pressure monitoring system is connected with the support frame; a cooling system and a pressure monitoring system are arranged in the reaction tank jacket; the superheated steam generation system comprises a cabinet type carbon steel plastic spraying shell, an electric heating system, an inner cylinder temperature monitoring system and a pipeline system, and the electric heating system is connected with the steam inlet system of the inner cylinder of the reaction tank through the pipeline system; the input end of the waste heat recovery system is connected with the gas outlet of the reaction tank inner cylinder, and the output end of the waste heat recovery system is connected with the input end of the electric heating system. According to the invention, sludge resourceful treatment based on superheated steam heat drying is realized, the purpose of sludge reduction is achieved, and efficient utilization of energy, energy conservation and emission reduction are also realized.

This invention relates to a low-grade waste heat-driven two-stage absorption refrigeration system and method, comprising: a low-pressure stage solution circulation loop, a high-pressure stage solution circulation loop, and a refrigerant circulation loop; saturated liquid output from the condenser in the refrigerant circulation loop mixes with condensed saturated liquid output from the high-pressure stage solution circulation loop, and then undergoes primary throttling and pressure reduction to an intermediate pressure via a first throttling valve before entering a gas-liquid separator for separation; the separated saturated vapor is absorbed by the high-pressure stage solution circulation loop; the separated saturated liquid mixes with condensed saturated liquid output from the low-pressure stage solution circulation loop, and then undergoes secondary throttling and pressure reduction to an evaporation pressure via a second throttling valve before entering an evaporator for evaporation and cooling to generate cooling capacity. This invention utilizes two-stage throttling of the refrigerant at the condenser outlet to reduce irreversible losses, and simultaneously utilizes superheated steam from the generator outlet to preheat the dilute solution, fully utilizing waste heat, which can significantly improve the performance of traditional two-stage absorption refrigeration systems.

The utility model relates to the technical field of petroleum processing, in particular to a heat source utilization device for an aromatic hydrocarbon extraction process, which comprises a medium-pressure superheated steam generating device, a steam exhaust port of the diesel oil hydrogenation steam turbine is communicated with an inlet end of the desuperheater; and the outlet end of the desuperheater and the outlet end of the temperature and pressure reducer are connected in parallel and then are respectively communicated with the steam inlet of the stripping tower reboiler, the steam inlet of the recovery tower reboiler, the steam inlet of the regeneration tower reboiler, the steam inlet of the benzene tower feeding heater and the steam inlet of the toluene tower reboiler. According to the utility model, surplus low-pressure superheated steam discharged by the diesel hydrogenation steam turbine is used as a heat carrier of the stripping tower reboiler, the recovery tower reboiler, the regeneration tower reboiler, the benzene tower feeding heater and the toluene tower reboiler, so that the use amount of medium-pressure superheated steam is reduced, and the recycling of the surplus low-pressure superheated steam is realized.

The utility model discloses a system for preparing green methanol from biomass. The system mainly comprises a boiler power generation unit, an air separation unit, a gasification unit, a conversion unit, a desulfurization and decarbonization unit, a compression unit, a synthesis unit and a rectification unit. Pneumatic dense-phase conveying is adopted for biomass feeding of the gasification unit, CO2 of the desulfurization and decarbonization unit is selected as conveying gas, the biomass smashing particle size, the conveying density and the temperature and pressure of the conveying gas are controlled, and the biomass conveying stability is guaranteed. The gasification furnace adopts a waste heat boiler technology, sensible heat byproduct saturated steam of high-temperature synthesis gas can be recycled, purge gas of a synthesis unit is overheated to generate power to serve as system power, and the purge gas of the synthesis unit can be supplemented through byproduct superheated steam of a gas boiler when the electric quantity is insufficient. Biomass is adopted as an energy source instead of traditional fossil fuel, dependence on the fossil fuel can be remarkably reduced, carbon emission is reduced, the energy utilization efficiency is improved, the green electricity requirement is met, and a basis is provided for green methanol certification.

This waste gas treatment device is provided with: a superheated steam generating unit 1, 1'; and a thermal decomposition chamber 3 provided below the superheated steam generating unit 1, 1' to thermally decompose waste gas T using superheated steam Q from the superheated steam generating unit.

The isothermal adiabatic coupled shift reactor comprises a furnace body, the top of the furnace body is provided with a crude synthesis gas main inlet, a crude synthesis gas preheating outlet and a high-pressure saturated steam outlet, and the bottom of the furnace body is provided with a shift gas outlet; the furnace body is sequentially divided into an isothermal section and a heat insulation section from top to bottom; a crude synthesis gas side inlet is formed between the isothermal section and the heat insulation section of the furnace body; a high-pressure boiler water inlet and a crude synthesis gas preheating inlet are formed in the furnace body, close to the crude synthesis gas side inlet, of the isothermal section; the high-pressure boiler water inlet is communicated with the high-pressure saturated steam outlet after passing through the isothermal section; and the crude synthesis gas preheating inlet is communicated with the crude synthesis gas preheating outlet after passing through the isothermal section. The shift reactor can cope with different driving working conditions, load changes and other conditions, meanwhile, the working conditions can be flexibly adjusted, the process is short, the total investment of equipment is small, high-pressure superheated steam can be produced as a byproduct, and the energy utilization rate is increased.

The invention provides a fluorine-containing organic wastewater treatment device, system and method and a fluorine-containing organic wastewater regeneration method. The treatment device comprises a filtration / adsorption tower and a concentrated solution collector which are sequentially arranged from top to bottom, the filtration / adsorption tower is filled with activated carbon fiber felt to form a packed bed; and the filtration / adsorption tower is provided with a wastewater inlet, a wastewater outlet, a superheated steam inlet and a superheated steam (condensed water) outlet. The treatment device has the characteristic of intensification and can be used for efficiently and deeply treating fluorine-containing organic wastewater, and interception of macromolecular pollutants and adsorption of micromolecular pollutants are synchronously realized by arranging a single material; meanwhile, the treatment system comprising the treatment device can realize continuous operation, so that the water treatment efficiency is effectively improved; moreover, the treatment device or system is matched with the regeneration method provided by the invention, so that the bed material can be recycled, secondary pollution is avoided, and the requirement of sustainable development is met.