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208 results about "Heat carrier" patented technology

High-temperature stable gas heat conduction temperature control method and system

The invention discloses a high-temperature stable gas heat conduction temperature control method and system, and relates to the technical field of temperature control. The system comprises a high-temperature inert gas loop, a gas circulation driving module, a gas heating module, a gas heat exchange module, a gas cooling module, a gas purification and supplement module and a precise temperature sensing and control module. The high-temperature inert gas loop is configured as a closed circulation path and is used for bearing high-purity inert gas as a heat carrier; and the gas circulation driving module is arranged in the high-temperature inert gas loop and is used for driving the high-purity inert gas to continuously and circularly flow in the closed circulation path. By adopting high-purity inert gas as a heat-conducting medium and combining precise circulation driving, multi-stage heating, efficient heat exchange, active cooling, online purification and intelligent control technologies, the problems that an existing liquid heat-conducting medium is unstable in phase change at a high temperature, a metal eutectic medium is poor in safety, and a composite system is high in complexity are solved.
Owner:FOSHAN CITY JIULONG MASCH CO LTD

Device and method for preparing green hydrogen by biomass pyrolysis gasification

The application discloses a device and method for preparing green hydrogen through biomass pyrolysis and gasification, relates to the technical field of green hydrogen preparation, and solves the problems of blockage and corrosion caused by ash melting and slagging in the pure oxygen gasification process, and the problem of low energy utilization rate. The device for preparing green hydrogen through biomass pyrolysis and gasification comprises a pyrolysis reaction device, and the pyrolysis reaction device comprises a pyrolysis reaction tank connected with a high-temperature heat carrier conveying spiral, a biomass raw material storage bin, a biomass raw material conveying spiral and a pyrolysis solid-phase product conveying spiral. In the application, biomass raw materials are converted into biochar and pyrolysis oil gas through pyrolysis technology, the biomass ash is effectively cut, and problems such as blockage and corrosion caused by ash melting and slagging in the pure oxygen gasification process are effectively avoided; the high-temperature pyrolysis oil gas is directly subjected to pure oxygen gasification reaction through gasification technology, the sensible heat and latent heat in the pyrolysis oil gas are fully utilized, and the energy utilization rate is high.
Owner:XUKE HYDROALCOHOL (BEIJING) LIQUID SUNSHINE RESEARCH INSTITUTE CO LTD

Chemical looping combustion material circulation method and chemical looping combustion equipment

The invention discloses a chemical looping combustion material circulation method and chemical looping combustion equipment. The chemical looping combustion material circulation method comprises the steps that heat carrier particles and oxygen carrier particles are mixed in an air reactor, the oxygen carrier particles and oxidizing airflow are subjected to an oxidation reaction and release heat, and the heat carrier particles absorb the heat by making contact with the oxygen carrier particles; the flow speed of the oxidizing gas flow is adjusted, heat carrier particles are selectively separated out by means of the difference of the fluidization characteristics of the heat carrier particles and oxygen carrier particles, and the separated oxygen carrier particles are conveyed to a fuel reactor; heat is extracted from the separated heat carrier particles, and then the heat carrier particles are discharged or flow back to the air reactor. The invention relates to a chemical looping combustion technology, and provides a chemical looping combustion material circulation method and chemical looping combustion equipment, heat carrier particles are introduced, the heat carrier particles absorb heat released by oxidation of oxygen carrier particles and transmit the heat to a heating surface of a heat recovery structure, and effective extraction of heat in the chemical looping combustion process is achieved.
Owner:TSINGHUA UNIVERSITY

A waste plastic rapid pyrolysis-catalytic device and test method

The application provides a kind of waste plastics fast pyrolysis-catalytic device and test method, belong to waste plastics utilization field.The uneven heating in the pyrolysis process, the problem of slow pyrolysis rate of traditional waste plastics pyrolysis-catalytic reaction device is solved.A kind of waste plastics fast pyrolysis-catalytic reaction device, comprising: pyrolysis device, including pyrolysis container, heat carrier medium and heating device, the heat carrier medium is filled in pyrolysis container and is liquid at high temperature, the heating device is equipped on the wall of pyrolysis container;Catalytic cracking device, including reducing pipe, electromagnetic induction heating device and catalytic reaction core, the catalytic reaction core is arranged in the upper half of reducing pipe, the coil of electromagnetic induction heating device is arranged outside the catalytic reaction core.It is mainly used for pyrolysis plastics.
Owner:HARBIN INST OF TECH

Method for producing hydrogen by using organic solid waste

The invention discloses a method for producing hydrogen by using organic solid waste, and relates to the technical field of new energy. The method comprises the following steps: classifying the organic solid wastes, screening out organic matters and combustible substances, mixing the organic matters and the combustible substances, and crushing into a homogeneous material with the particle size of less than or equal to 50mm; drying the homogenized material to obtain a dried material of which the water content is less than or equal to 8%; feeding the dried material into a rotary kiln pyrolyzing furnace, mixing the dried material with a heat carrier in the rotary kiln pyrolyzing furnace, heating the dried material by flue gas through the cylinder wall of the rotary kiln pyrolyzing furnace and the heat carrier, and pyrolyzing the dried material at the pyrolyzing temperature of 450-750 DEG C to obtain oil gas and pyrolyzing slag; mixing the pyrolysis residues with a cosolvent, preparing a glass body in a gasification melting furnace, mixing oil gas with water vapor, and reacting in a fixed bed reactor to prepare synthesis gas; and preparing the synthesis gas into hydrogen. The pyrolysis efficiency is remarkably improved, fuel consumption is reduced, system energy consumption is correspondingly reduced, and low-temperature efficient pyrolysis is achieved.
Owner:DONGFANG BOILER GROUP OF DONGFANG ELECTRIC CORP +1

Local magnetothermal coupling biological rotating disc enhanced cold region sewage treatment method and system

The invention relates to a local magnetothermal coupling biological rotating disc enhanced cold region sewage treatment method and system. The system comprises a reactor, a biological rotating disc for growing a biological membrane, a magnetic heat carrier, an alternating magnetic field generator and a motor for driving the biological rotating disc to rotate, the reactor comprises an air exposure area and a sewage area from top to bottom, a water inlet is formed in the lower part of the left side wall of the reactor, a water outlet flush with the water level of the sewage area is formed in the upper part of the right side wall, the reactor is further provided with vent holes, and the air exposure area is communicated with air through the vent holes; the biological rotating disc is partially immersed in the sewage area and partially exposed to the air exposure area in the radial direction; the air exposure area is located in the magnetic field action range of the alternating magnetic field generator, the magnetic heat carrier is arranged on at least one side of the biological rotating disc, and the magnetic heat carrier generates a magnetocaloric effect under the action of the magnetic field so as to increase the temperature of the biological membrane. According to the invention, the synergistic effect of precise heating of the biological membrane and the metabolic process of the biological membrane is realized, and the efficient and energy-saving sewage denitrification process at low temperature is realized.
Owner:HARBIN INST OF TECH

Phase change heat storage system and method based on two-phase contact heat exchange

The invention provides a phase change heat storage system and method based on two-phase contact heat exchange, and relates to the technical field of heat energy storage. The system comprises a high-temperature liquid storage tank, a low-temperature particle storage tank, a heat-carrying liquid loop, a connecting pipeline and a switching valve, a heat exchange pipeline, a liquid-carrying heat pump, a heater / radiator and a separator are arranged on the heat-carrying liquid loop to form a complete loop, the high-temperature liquid storage tank is connected to the heat exchange pipeline, and the low-temperature particle storage tank is connected with the heat exchange pipeline and the separator. During heat storage, the low-temperature particles and the high-temperature heat-carrying liquid are in direct contact for heat exchange in the heat exchange pipeline, and the particles are melted into liquid and then stored in the high-temperature liquid storage tank; during heat release, high-temperature liquid is granulated into liquid drops through the nozzle, the liquid drops make direct contact with low-temperature heat-carrying liquid in the heat exchange pipeline for heat exchange, and the liquid drops are solidified into particles and then stored in the low-temperature particle storage tank. Through liquid-liquid and liquid-solid two-phase direct contact heat exchange, the heat transfer efficiency is improved, the problems of complexity and cost caused by phase change material packaging are solved, and the heat storage device is suitable for large-scale heat storage application.
Owner:UNIV OF SCI & TECH BEIJING

A type of heat-resistant and heat-insulating ceramic tableware

ActiveCN224440904UHeat carrierHeat Avoidance
This utility model relates to a heat-insulating and heat-resistant ceramic tableware, belonging to the field of ceramic tableware technology. It includes a ceramic tableware body with an external heat-insulating structure. This heat-insulating structure includes a heat-insulating carrier slidably connected to the outside of the ceramic tableware body. This heat-insulating and heat-resistant ceramic tableware, by using a heat-insulating carrier, directly isolates the ceramic tableware body, preventing direct contact between the user and the tableware. Furthermore, the inclusion of a vacuum cavity creates a double-layer effect for the heat-insulating carrier, further enhancing the heat-insulating effect. Simultaneously, the inclusion of a heat-insulating pad prevents heat transfer to the table surface and provides a certain degree of anti-slip effect, thus achieving both heat insulation and heat preservation, slowing down the cooling rate of food inside the ceramic tableware.
Owner:FUJIAN DEHUA LONGHE CERAMICS CO LTD

Heat source utilization device for aromatic hydrocarbon extraction process

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.
Owner:SHANDONG SHTAR SCI & TECH PETROCHEMICAL CO LTD

Integrated device of pulverized coal pyrolysis, circulating fluidized bed boiler and gasification furnace

The utility model provides a pulverized coal pyrolysis, circulating fluidized bed boiler and gasification furnace integrated device which comprises a pyrolysis unit, a heat carrier heating unit, a powder selecting unit, a circulating fluidized bed boiler unit and a gasification unit, a solid phase outlet of the pyrolysis unit is independently connected with the heat carrier heating unit and the powder selecting unit, and a solid phase outlet of the gasification unit is independently connected with the circulating fluidized bed boiler unit. A smoke outlet pipeline of the heat carrier heating unit is connected with the powder selecting unit and the circulating fluidized bed boiler unit, an upper outlet of the powder selecting unit is connected with the gasification unit, and a lower outlet of the powder selecting unit is connected with the circulating fluidized bed boiler unit. According to the utility model, the particle size of the coke breeze after pulverized coal pyrolysis is graded, the graded coke breeze with smaller particle size is used for gasification, and the coke breeze with larger particle size is used as the fuel of the circulating fluidized bed boiler, so as to meet the requirements of different devices on the particle size of the coke breeze, effectively improve the utilization rate of the coke breeze, maximally utilize sensible heat of the coke breeze and realize efficient recycling of energy; and the treatment cost of downstream coke breeze processing is reduced, and efficient graded and quality-divided utilization of coke breeze is truly realized.
Owner:胜帮科技股份有限公司

A large-scale solid heat carrier heating device for organic solid waste pyrolysis process

This invention discloses a solid heat carrier heating device, comprising a pyrolysis reactor, a fluidized bed furnace, a gas-solid separator, a mechanical return feeder, and a flue gas generator. The pyrolysis reactor is used to feed solid pyrolysis reactants into the fluidized bed furnace for reaction. The gas-solid separator is used to separate the reaction products in the fluidized bed furnace into gas and solid components to obtain a solid heat carrier, which is then transported to the fluidized bed furnace for reaction via the mechanical return feeder. The flue gas generator is used to supply flue gas into the fluidized bed furnace to heat the solid pyrolysis reactants. This invention also discloses a flue gas generator. The solution of this invention is applicable to the pyrolysis of organic solid wastes such as waste plastics, oil sludge, tires, and sewage sludge. Through efficient combustion and heating methods, the large solid heat carrier furnace achieves high-efficiency pyrolysis carbon combustion, stable bed temperature and bed pressure, and has a function for regulating the flow rate of circulating solid particles.
Owner:BEIJING AEROSPACE PETROCHEM TECH & EQUIP ENG CORP LTD

Cooling device for quarry

The utility model discloses a cooling device for a quarry, which comprises a cooling tower main body, a watering disc is arranged on the inner side of the cooling tower main body, a plurality of water outlet pipes are fixedly arranged in the watering disc, a fixed cylinder is fixedly arranged on the top of the cooling tower main body, and a mounting frame is fixedly arranged on the top of the fixed cylinder. A motor is fixedly mounted at the top of the mounting frame, rotating fan blades are arranged on the motor through a rotating shaft at the output end, a water sprinkling disc is fixedly mounted in the cooling tower main body, a stepped water outlet pipe is arranged on the water sprinkling disc, and when the flow of cooling water of the cooling tower is adjusted, the cooling water can be more effectively and uniformly distributed on a radiator; a heat dissipation carrier is utilized more fully, the heat dissipation area is enlarged, the heat dissipation efficiency is improved, and more energy is saved.
Owner:GUANGZHOU AILING QUARRY BUILDING MATERIALS CO LTD

Method and device for evaluating the thermal stability of an organic heat carrier

This invention relates to the field of thermal stability evaluation technology, and more particularly to a method and apparatus for evaluating the thermal stability of organic heat transfer fluids. The evaluation method includes: placing the organic heat transfer fluid in a loading container, introducing an inert gas to replace the air, sealing the container, and then conducting a high-temperature thermal test; after the high-temperature thermal test, cooling the loading container and then restoring it to atmospheric pressure; after the organic heat transfer fluid returns to room temperature, measuring the indicators of the organic heat transfer fluid, including kinematic viscosity, degradation rate, and pressure; scoring each indicator based on the kinematic viscosity change rate, degradation rate, and pressure increase value; and judging the thermal stability of the organic heat transfer fluid based on the comprehensive score. This invention provides a method and apparatus for evaluating the thermal stability of organic heat transfer fluids, enabling a rapid, efficient, and multi-dimensional evaluation method for the thermal stability of organic heat transfer fluids.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Novel organic heat carrier pipeline structure

The utility model relates to the related technical field of heat carrier pipelines, in particular to a novel organic heat carrier pipeline structure which comprises a liquid inlet pipe, a circulating assembly is arranged on the lower left portion of the liquid inlet pipe, a control assembly is arranged on one side of the liquid inlet pipe, and a heating assembly is arranged at the bottom of the circulating assembly. The circulating assembly comprises a straight pipe, a first connecting pipe, a U-shaped pipe, a liquid outlet pipe, a built-in flow meter, a first mounting piece and a second mounting piece, the circulating assembly is arranged, the built-in flow meter feeds back flow data of a heat carrier in real time, the control valve is combined, and the flow speed of the heat carrier is conveniently regulated and controlled according to production requirements; the multiple sets of U-shaped pipes increase the circulation path of the heat carrier and the contact area of the heat carrier and the heating assembly, the heat carrier is evenly heated in continuous circulation, the heating efficiency is improved, the heating pipes of the heating assembly are installed on the inner walls of the straight pipes and the U-shaped pipes through the fixing discs, and the heating pipes are prevented from being damaged in the heat carrier flowing and heating process.
Owner:FUHENG IND TECH (KUNSHAN) CO LTD

Phase change heat carrier direct drive heat pump system

The application discloses a phase-change heat-carrying direct-drive heat pump system and belongs to the technical field of heat pumps. A flash evaporation unit provides steam for a heat pump unit through a steam channel. The flash evaporation unit comprises a flash evaporation tank body, a liquid inlet pipe is arranged in the flash evaporation tank body, a plurality of parallel liquid distribution heat exchange pipes are arranged on both sides of the liquid inlet pipe, and liquid collection pipelines are connected to both sides of the liquid inlet pipe. A plurality of liquid distribution pipes are connected to a plurality of liquid discharge units arranged on the inner wall of the flash evaporation tank body. The liquid discharge units are used for discharging liquid above the liquid surface in the flash evaporation tank body and discharging liquid below the liquid surface in the flash evaporation tank body. The liquid above and below can be simultaneously flashed through the liquid discharge units. The number of the liquid discharge units above and below is controlled to control the flash evaporation efficiency. The distance between the liquid discharge port of the liquid discharge unit below the liquid surface is controlled to control the flash evaporation efficiency below the liquid surface, the flash evaporation efficiency of the slurry is accurately controlled, and the liquid discharge unit can be adapted to multiple-power flash evaporation equipment, and the adaptability is wide.
Owner:HIT HARBIN INST OF TECH KINT TECH

Alkaline water electrolysis hydrogen production system with waste heat utilization

The invention discloses an alkaline water electrolysis hydrogen production system with a waste heat utilization function. The alkaline water electrolysis hydrogen production system comprises an alkaline electrolytic bath, a pure water supply device, a waste heat exchange device, a temperature control assembly and a matched connecting pipeline. The waste heat exchange device is connected to a water supplementing pipeline between the pure water tank and the alkaline electrolytic bath in series, a waste heat input connector is communicated with the waste heat output end of the alkaline electrolytic bath, a waste heat output connector is communicated with the waste heat backflow end of the alkaline electrolytic bath, and waste heat generated by operation of the electrolytic bath is recycled to preheat supplementing water. And the temperature control assembly dynamically adjusts the flow of the waste heat carrier according to a temperature signal at the water outlet end of the water supplementing pipeline, so that the supplementing water accurately reaches the temperature required by the process when entering the electrolytic bath. Efficient recycling of waste heat of the electrolytic cell is achieved, traditional additional heating equipment is replaced, system operation energy consumption is reduced by 15% or above, a main body structure of an existing electrolytic cell does not need to be greatly transformed, the transformation cost is low, applicability is high, and the method can be widely applied to industrial-grade alkaline water electrolysis hydrogen production scenes.
Owner:JIANG SU SHUANG LIANG QING NENG YUAN KE JI YOU XIAN GONG SI

Heat exchange single tube, horizontal flow membrane wall hearth and circulating fluidized bed furnace

The application discloses a heat exchange single pipe, a horizontal flow membrane type hearth and a circulating fluidized bed furnace. The application completely solves the problem that the circulating fluidized bed structure cannot be used due to abrasion of the heat carrier heating furnace; the volume pipe arrangement rate of the hearth is increased, the height of the circulating fluidized bed is reduced, manufacturing is convenient, the membrane type hearth is supported by the outer wall membrane type wall, one furnace can be used for multiple purposes, a steam boiler and a heat carrier furnace or a gas heating furnace can be used in one furnace, the heat exchange areas of various heat users can be flexibly arranged in one furnace according to the characteristics of the heat users; the problem that the wall of the heat exchange surface of the flue behind the circulating fluidized bed furnace is frequently blocked is solved by increasing the arrangement area of the hearth and reducing the flue gas outlet temperature of the hearth; the flue gas outlet temperature is reduced, the flue gas volume flow is reduced, the separation efficiency of the cyclone is improved, the heat transfer coefficient is improved; the coking and blocking caused by the secondary combustion in the cyclone separator are avoided, the cyclone does not need jacket cooling, and the start-up and temperature rising time is reduced.
Owner:丁泽华

Waste pyrolysis gas combustion device and combustion method

This invention provides a waste pyrolysis gas combustion device and its combustion method, belonging to the field of waste treatment technology. The invention includes: a shell, foam ceramic balls, a central tube, a preheater, a mixing tube, a co-firing air sleeve, and a flow-dispersing component. This invention uses foam ceramic balls as a heat storage carrier in conjunction with a preheater to achieve stable ignition of pyrolysis gas with low calorific value fluctuations, effectively adapting to the combustion requirements of waste pyrolysis gas with low calorific value and parameter fluctuations, and improving combustion stability. The flow-dispersing component in the mixing tube enhances gas-gas mixing, improving combustion efficiency and pollutant control, increasing combustion completeness, reducing pollutant generation, and optimizing combustion efficiency. The compact structure of the nested central tube and mixing tube with annular slot air intake achieves efficient space utilization and integrated application, realizing precise gas distribution and efficient mixing within a limited space. The overall layout of the device is compact and easy to integrate.
Owner:SHAOYANG UNIV

Electric heating steam generator for supplying superheated steam

The utility model relates to the technical field of heat exchange equipment, and discloses an electric heating steam generator for supplying superheated steam, which comprises a softened water tank, a water pump, a heat carrier, a buffer tank and an inner container assembly which are sequentially connected through a pipeline, and the inner container assembly comprises an inner container, a first heating pipe, a water inlet, a second heating pipe, a steam connecting pipe, a support frame and a liquid level detector. The buffer tank clings to the liner. Softened water in a pipeline is heated for the first time through a heat carrier to become warm water, the warm water enters the buffer tank, absorbs waste heat dissipated by the inner container in the buffer tank and becomes high-temperature water after being heated for the second time, and the high-temperature water enters the inner container from the buffer tank and becomes steam after being heated for the third time through the first heating pipe below the inner container. The steam is heated for the fourth time through the second heating pipe in the rising process to become superheated steam, the superheated steam flows to the steam connecting pipe to flow out, the structure is simple, the cost is low, saturated steam can be directly and continuously heated in the inner container, and other heating equipment does not need to be additionally arranged.
Owner:GUANGZHOU NEWMAN THERMAL ENERGY EQUIP MFG CO LTD

Stretching installation with heat recovery from exhaust gases

PendingCN121568833AHeat carrierOligomer
The invention relates to a stretching system (1) for a plastic film (2), comprising a device (3) having a heat transfer device (3.1) for heat recovery from exhaust gas (3.3), by means of which heat energy recovered and transferable to the heat transfer device (3.1) is supplied to a treatment zone (Bn). According to the invention, the heat recovery is carried out by means of the temperature control device (13) at a temperature level that is so high that condensation of oligomers on the heat transfer surface of the heat transfer device (3.1) does not take place under all operating conditions. Thermal energy is transferred by means of the liquid heat carrier (4). The release point (B1, B2) and the absorption point (B9) of the thermal energy conveyed by means of the heat carrier (4) are separated.
Owner:LINDAUER DORNIER GMBH

Self-adjusting anti-coking organic heat carrier furnace

The application discloses a self-adjusting anti-coking organic heat carrier furnace, which comprises a furnace body, an inner ring coil pipe, an outer ring coil pipe, a top coil pipe and a combustion device, characterized in that one end of the inner ring coil pipe and / or one end of the outer ring coil pipe is connected with a medium inlet header, and the medium inlet header is connected with a liquid power source; a plurality of heat measuring points are arranged in the furnace body, a variable resistance assembly is fixed to the outer side of the furnace body, the variable resistance assembly is connected with a power supply and a current sensor in series, the current sensor is electrically connected with a control center, and the control center is electrically connected with the liquid power source; wherein the heat measuring point comprises an annular pipe and a transmission pipe, the diameter of the transmission pipe is smaller than that of the annular pipe, the transmission pipe is used for transmitting the change of the air pressure in the annular pipe to the variable resistance assembly, and the variable resistance assembly is driven to change its own resistance. The flow rate of the heat conducting medium is automatically adjusted to avoid the possibility of coking in the pipe and burning through the pipe.
Owner:CHANGZHOU ENERGY EQUIP GENERAL FACTORY CO LTD

A waste plastic pyrolysis oilization system and process

The application provides a waste plastic pyrolysis oil system and process, which comprises a waste plastic pyrolysis system and a pyrolysis oil separation and refining system; the waste plastic pyrolysis system comprises a screening and crushing device, a pyrolysis reactor, a solid heat carrier furnace, a gas-solid separation device, a waste heat recovery system and a flue gas purification device; the pyrolysis oil separation and refining system comprises an oil washing system, a heavy oil storage tank, a staged indirect cooling system, an oil product impurity removal device and a distillate oil storage tank. The application solves the problems of poor universality, large viscosity of waste plastic melt, easy coking of the system, low oil yield, corrosion of HCl to the system and the like of the existing pyrolysis technology, and realizes resource recycling and utilization under the premise of reducing environmental pollution caused by waste plastics.
Owner:BEIJING AEROSPACE PETROCHEM TECH & EQUIP ENG CORP LTD

Heat flow sublimation sampling system and method

The invention relates to a heat flow sublimation sample introduction system and method.The heat flow sublimation sample introduction system comprises a gas supply module, a sublimation chamber, a gas mixing chamber and a sample transmission module, the gas supply module is connected with gas inlets of the sublimation chamber and the gas mixing chamber, a gas outlet of the sublimation chamber is connected with a gas inlet of the gas mixing chamber, and a gas outlet of the gas mixing chamber is connected with a gas outlet of the sample transmission module; a gas outlet of the gas mixing chamber is connected with a sample transmission module, and the sample transmission module is connected with analysis and detection equipment. A gas heater is used for heating carrier gas, the flow rate of high-temperature gas flowing through each sublimation chamber is controlled, each standard substance and a sample to be detected are sublimated into gaseous materials with different flow rates respectively, the gaseous materials are fully mixed through a gas mixing chamber and then enter analysis and detection equipment, element response values are measured, sample digestion is not needed, the sample introduction flux is stable and controllable, the detection time is short, and the detection efficiency is high. The method has the advantages of convenience, rapidness, high sensitivity and less impurity introduction, and is suitable for accurate detection of impurities in easily sublimated solid samples.
Owner:GANJIANG INNOVATION ACAD CHINESE ACAD OF SCI

Filtration combustion waste oil treatment and synthesis gas preparation device

The invention discloses a filtering combustion waste oil treatment and synthesis gas preparation device, relates to the cross technical field of environmental protection and energy utilization, and aims at solving the problems that an existing waste oil treatment device depends on a catalyst and is uneven in heat transfer, unstable in operation and single in product. The device comprises a reaction main body unit, a feeding unit, a temperature measurement control unit, a discharge circulation unit and a product collection unit, the reaction main body unit comprises a reactor, and the reactor is filled with an inert solid heat carrier; the feeding unit is used for respectively conveying waste oil and an oxidizing agent into the reactor; the temperature measurement control unit comprises a plurality of thermocouples and is used for monitoring the temperature of a bed layer in real time; the discharge circulating unit is arranged at the lower part of the reactor and is used for discharging the cooled inert solid, supplementing a fresh heat carrier and maintaining the height stability of a bed layer; the product collecting unit is connected with a gas outlet in the top of the reactor and is used for collecting a gas product generated by reaction. Continuous treatment of waste oil and directional regulation and control of products are realized through cooperation of all the units.
Owner:HARBIN INST OF TECH +1

Perfluoropolyether as well as preparation method and application thereof

PendingCN121824936APolymer scienceHeat carrier
The structure of the perfluoropolyether is shown as follows: CF3O (CF2O) nCF2CF2O (CF( CF3) CF2O) mCF2CF3, n is equal to 1-6, m is equal to 1-3, and n is greater than m. The perfluoropolyether has continuous repetitive units-CF2O-and-CF (CF3) CF2O-, and the content of the repetitive units-CF2O-directly affects the viscosity, the melting point and the boiling point of the perfluoropolyether, that is, under the condition of the same molecular weight, the more the number of the repetitive units-CF2O-is, the higher the boiling point of the perfluoropolyether is, and the higher the melting point of the perfluoropolyether is. A plurality of-CF2O-continuously and repeatedly appear in the structure of the perfluoropolyether, and meanwhile, the number of-CF2O-in a single molecule is far higher than that of-CF3 CF2O-, so that the perfluoropolyether can be ensured to have a lower melting point. Therefore, the boiling point (greater than or equal to 190 DEG C) and the melting point (less than or equal to-100 DEG C) of the repeating units-CF2O <-> and-CF3 CF2O <-> are regularly arranged and are suitable for being used in a heat carrier of a low-temperature chip etching technology when the number of the repeating units is within the range.
Owner:JUHUA GROUP TECH CENT +1

Thermal management system, method, medium, computer program product, apparatus and vehicle

The invention relates to the technical field of heat management, in particular to a heat management system and method, a medium, a computer program product, a device and a vehicle, the heat management system comprises a first circulation loop used for circulating a first heat carrying medium, the first circulation loop comprises a heat exchange plate, and the heat exchange plate is used for being arranged in a compartment; a flow channel is formed in the heat exchange plate and used for allowing a first heat carrying medium to pass through so as to exchange heat with the compartment. The heat exchange plate is integrated in the compartment floor structure, when the heat exchange plate exchanges heat with the compartment for heating, the first heat carrying medium can flow through the heat exchange plate through the flow channel of the heat exchange plate, and heat of the first heat carrying medium is evenly released to the passenger foot area from bottom to top in a heat radiation mode; therefore, the phenomenon that the head is hot and the feet are cold due to heat exchange at the top of a vehicle air conditioner is effectively relieved, the temperature distribution uniformity in the vertical direction in a compartment is improved, and the thermal comfort of passengers is improved.
Owner:BYD CO LTD

A rotary drum dryer facilitating drying of thread balls

The utility model relates to a related technical field of rotary drum dryer, specifically a rotary drum dryer convenient to thread ball drying, including reduction gear gear ring, supporting wheel and cylinder and turnover subassembly, the driving of reduction gear gear ring is installed with supporting wheel, the lifting of supporting wheel is provided with cylinder, the sliding of turnover subassembly is provided with reduction gear gear ring and supporting wheel, in the utility model, thread ball cylinder and cylinder group are arranged in thread ball built -in cylinder and arrangement frame inside, thread ball cylinder and cylinder group are directly or indirectly heated by heat carrier through air inlet hole, can carry out the drying to thread ball in thread ball cylinder and cylinder group, after thread ball drying, the user can open rotary drum dryer, and thread ball built -in cylinder and arrangement frame are pulled out and unfolded, thread ball cylinder and cylinder group can be taken out, thread ball cylinder and cylinder group can be cleaned simultaneously, avoid thread ball lint to remain in thread ball built -in cylinder and arrangement frame, reduce cylinder body lint residual amount.
Owner:ZHUJI XINSHUN ELECTROMECHANICAL TECH CO LTD

Furnace tube wall temperature measuring structure of molten salt heat carrier heating furnace

The utility model discloses a furnace tube wall temperature measuring structure of a molten salt heat carrier heating furnace. Comprising a cylindrical shell, a furnace top cover fixedly installed at the top of the shell, a bottom plate fixedly installed at the bottom of the shell, a combustor fixedly installed on the furnace top cover, a temperature sensor and a vertical spiral furnace tube installed in an inner cavity of the shell, and a hole part is formed in the side wall of the shell; a probe of the temperature sensor penetrates through the hole part and abuts against the outer side pipe wall of a temperature measuring furnace pipe used for detecting the temperature of the pipe wall in the furnace pipes, a first gap is formed between at least one adjacent furnace pipe above the temperature measuring furnace pipe, and a first sealing piece is installed at the first gap. A second gap is arranged between at least one adjacent furnace tube below the temperature measuring furnace tube, and a second sealing piece is arranged at the second gap. The utility model has the advantages of convenient manufacture, convenient installation, accurate and reliable temperature measurement, no damage to the temperature sensor, and no smoke leakage.
Owner:CHANGZHOU COMPREHENSIVE RES HEATING FURNACE CO LTD

A system for co-production of oil, heat and white carbon black by biomass thermal conversion

The present application relates to the field of biomass energy utilization, and particularly relates to a biomass thermal conversion cogeneration oil, heat and white carbon black system, which comprises an acid washing pool, a drying machine, a feeding bin, a rice hull feeding screw, a pyrolysis reactor, a condenser, a chemical chain combustor, a molten salt heat preservation system, an oxygen carrier separator, an oxygen carrier feeding screw, a separator, a cloth bag collector and an oxidation riser. In the technical scheme of the present application, the non-condensable gas is combusted to provide heat for the system, the pyrolysis carbon is combusted by the chemical chain, the oxygen carrier provides the oxygen element required for combustion, the molten salt heat preservation system timely takes away the heat generated by combustion and produces steam, and the combustion over-temperature is prevented. By providing the oxygen element required for combustion by the oxygen carrier and cooperating with the molten salt heat preservation system, the problem that the combustion temperature needs to be strictly controlled in the preparation of white carbon black by the rice hull carbon combustion method is solved, meanwhile, the oxygen carrier and the molten salt are used as the heat carrier for circulation, the heat efficiency is high, and the efficient cogeneration of the bio-oil, steam and white carbon black is realized.
Owner:NORTH CHINA ELECTRIC POWER UNIV

Cascade type organic heat carrier furnace

The utility model relates to a cascade type organic heat carrier furnace, which adopts a high-pressure water flue gas waste heat recovery system, realizes safe and efficient recovery and utilization of flue gas waste heat of the organic heat carrier furnace while effectively avoiding low-temperature corrosion of flue gas, and is compact and convenient to install and arrange. The organic heat carrier furnace is essentially an organic heat carrier furnace adopting a hot water type waste heat recoverer and an external air pre-heater heat regeneration technology.
Owner:WUXI WALIFA ENERGY-SAVING & ENVIRONMENTAL PROTECTION EQUIPMENT CO LTD