802 results about "Thermal fluids" patented technology

The invention relates to the technical field of temperature control, in particular to an enzyme reaction kettle self-adaptive temperature control system and method, and the system comprises a temperature detection module, a temperature control module, a heat conduction oil flow control module and an automatic regulation and control module; temperature data of a reaction kettle are collected in real time through a temperature detection module, a temperature control module adjusts parameters based on a PID algorithm and fuzzy logic to generate a control instruction, and a heat conduction oil flow control module adjusts flow by combining double-closed-loop cascade control with a feedforward compensation algorithm, so that thermal inertia lag is shortened. And the automatic regulation and control module generates optimized process parameters based on a reaction kinetic model and a genetic algorithm, and dynamically adjusts a temperature set value. The control method comprises the steps of temperature data acquisition, PID control instruction generation, conduction oil flow coordinated regulation, process parameter optimization and the like. The problems that in the prior art, temperature control precision is insufficient, conduction oil flow control is not accurate enough, and technological parameters cannot be automatically regulated and controlled are solved.

The invention discloses a pure electric vehicle heat pump type whole vehicle thermal management system and method, and relates to the technical field of new energy vehicle thermal management, and the method comprises the following steps: constructing a combined twin system of thermal fluid, structural vibration and acoustic fluctuation, collecting pressure waves and vibration phases by using an array sensor, forming a steady state baseline spectrum and a transient state baseline spectrum, and calculating the temperature of the steady state baseline spectrum and the transient state baseline spectrum; and a unified reference is established. According to the method, a combined twinborn system of thermal fluid, structural vibration and acoustic fluctuation is constructed, the dynamic characteristics of pulsating waves are accurately monitored, and instability early warning is carried out by using a phase locking tracking method. Through pipeline topology reconstruction and segmented damping link design, a self-adaptive pulsation buffer zone is introduced, and pulsation energy is effectively absorbed. And in combination with a multi-target control law and a time reflection mirror cooperative regulation strategy, refrigerant flow is accurately controlled, pulsation energy is actively counteracted, and stable operation of the system is guaranteed. Through the innovative design, the stability of a heat management loop is improved, the fault risk caused by pulsation is reduced, and the cooling efficiency and safety are improved.

The invention discloses a heat energy cyclic utilization control system and method for a copper-clad plate factory, and relates to the technical field of heat energy cyclic utilization. The heat energy cyclic utilization control system for the copper-clad plate factory comprises a heat energy circulation module, wherein high-temperature waste gas is introduced to perform efficient countercurrent heat exchange with low-temperature high-medium heat-conducting oil; the temperature-pressure dynamic model building module is used for building a temperature-pressure coupling function according to the thermal expansion and phase change characteristics of the medium and building a temperature-pressure dynamic model in combination with the basic equation and the temperature-pressure coupling function; the temperature and pressure coupling optimal control sequence determination module is used for solving an optimal control sequence in a prediction window through a rolling optimization algorithm; and the heat energy utilization module is used for inputting the high-temperature and high-medium heat conduction oil obtained by heating in the heat energy circulation module into a plurality of heat utilization devices according to the optimal control sequence. According to the method, the optimal control sequence in the prediction window is solved through the rolling optimization algorithm to dynamically adjust the operation parameters of the system, and the problem that the heat energy circulation efficiency is reduced in the prior art is solved.

The invention discloses a liquid-cooling heat dissipation system regulation and control method for a liquid-cooling super-intelligent fusion computer, and relates to the technical field of computer heat dissipation control, and the method comprises the steps: collecting and preprocessing state data of a liquid-cooling heat dissipation system and detailed information of a next calculation task, and generating a real-time task-state fusion data set; thermal fluid simulation calculation is conducted on the real-time task-state fusion data set, a future temperature curve is predicted, a simulation result data set is obtained, an aggressive energy efficiency strategy is started according to the simulation result data set, and an ideal rotating speed control instruction sequence is generated; and according to the preprocessed state data of the liquid cooling heat dissipation system, dynamically calculating an estimated dead zone time length, and sending an ideal rotating speed control instruction sequence ahead of the estimated dead zone time length to generate a time advanced control instruction. According to the method, the ideal rotating speed control instruction sequence is generated, so that prospective simulation and energy efficiency optimization decision making of the thermal load of the calculation task are realized, the energy consumption is reduced, and the heat dissipation adaptability is improved.

The invention discloses a cabin multi-dimensional fire simulation method and system for fire personnel training, and the method comprises the steps: carrying out the modeling of a cabin, generating a digital twinborn body of the cabin, carrying out the initialization, and constructing a thermal fluid dynamic field, the digital twinborn body comprises a cabin geometric structure, a combustible material distribution condition and a linkage control interface of fire fighting equipment, and the cabin geometric structure is divided into a plurality of grids; fire information is obtained in real time through a sensor arranged in a cabin and mapped to the corresponding position of the digital twinborn body, a dynamic fire evolution cognitive model used for describing dynamic fire evolution is set, and the dynamic fire evolution cognitive model comprises a thermochemical reaction potential operator and a space coupling operator of flame propagation; and simulating the combustion condition of each grid through a dynamic fire evolution cognitive model, generating a final digital twinborn body, mapping the final digital twinborn body to virtual reality equipment, and completing fire training in a cabin by a user through the virtual reality equipment.

The desulfurization wastewater concentration system utilizing the flue gas waste heat of the coal-fired power plant comprises a flue, and an inlet of the flue is connected with a flue gas outlet of a boiler; the heat conduction oil heat exchanger is arranged on the flue, and an outlet of the heat conduction oil heat exchanger communicates with an inlet of the first pipeline; the heating part comprises a heater, a cold source inlet of the heater is used for introducing desulfurization wastewater, and the heater uses heat of the heat conduction oil in the first pipeline as a heat source so as to heat the desulfurization wastewater introduced into the heater; the evaporator is used for evaporating and concentrating the desulfurization wastewater introduced into the evaporator, the evaporator is provided with a first wastewater inlet, a wastewater outlet and a steam outlet, the first wastewater inlet is communicated with the cold source outlet of the heater, the wastewater outlet is used for discharging the concentrated desulfurization wastewater, and the steam outlet is used for discharging steam. Therefore, according to the desulfurization wastewater concentration system utilizing the flue gas waste heat of the coal-fired power plant, the energy consumption of desulfurization wastewater concentration can be reduced.

The invention relates to the technical field of new energy automobile power battery thermal management, in particular to a hydrated salt phase change microcapsule for a power battery and a preparation method of the hydrated salt phase change microcapsule. According to the specific technical scheme, hydrated salt serves as a core material, methyl methacrylate serves as a shell material monomer, the monomers are polymerized on the surfaces of hydrated salt liquid drops to form a polymethyl methacrylate shell layer through an interfacial polymerization method, effective packaging of a phase change material (hydrated salt) is achieved, and the microcapsule with high phase change latent heat, low leakage rate and long cycle life is obtained. In addition, other doped auxiliary materials are deposited on an oil-water interface to improve the heat conductivity of the microcapsule. And mixing the microcapsules with heat-conducting oil to prepare suspension liquid, and driving the suspension liquid to circularly flow between the power battery packs by a peristaltic pump. According to the invention, microcapsules and liquid cooling heat dissipation are combined to provide a new thought and practical and effective temperature control and heat dissipation effects for a heat management scheme of the power battery pack.

The invention discloses a petroleum coke calcination waste heat stepped recovery rotary kiln system, which belongs to the technical field of rotary kilns, and comprises a kiln body, the kiln body is sequentially provided with a preheating zone and a calcination zone, and the kiln body between the calcination zone and a kiln head is provided with a cooling zone. The cooling zone comprises a first-stage cooling heat exchange section and a second-stage cooling heat exchange section which are sequentially arranged towards the kiln head, the first-stage cooling heat exchange section is used for preheating secondary air, the second-stage cooling heat exchange section is used for cooling calcined coke and recycling heat energy, an annular fin-shaped cooler is arranged on the inner wall of the kiln body of the second-stage cooling heat exchange section, and the annular fin-shaped cooler is used for cooling the calcined coke. A kiln head cover of the kiln body is provided with a rotary joint, and the annular fin-shaped cooler is connected with the outside-kiln heat exchange station through the rotary joint. The cooling zone is arranged in the cylinder of the rotary furnace, secondary air is preheated through the first-stage cooling heat exchange section, heat is recycled in the second-stage cooling heat exchange section through double media of heat conduction oil and demineralized water in a stepped mode, the overall heat recovery rate is obviously increased, and sensible heat waste and comprehensive energy consumption are obviously reduced.

The invention provides an unconventional oil and gas reservoir heat-fluid-solid coupling numerical simulation method and system. The method comprises the steps that a multiphase numerical model of a coupling temperature field, a seepage field and a stress field is built; the multiphase numerical model is integrated with a Cahn-Hilliard equation, a heat conduction equation, a continuity equation, a Navier-Stokes equation and a mechanical equilibrium equation; determining a model computational domain of the multiphase numerical model; performing grid discretization processing on the model calculation domain and performing grid refinement processing on the peripheries of the mass flow inlet and the pressure outlet to obtain a plurality of grid units; inputting the environmental parameters and the initial condition parameters into the multiphase numerical model, controlling the multiphase numerical model to perform discrete calculation in each grid unit, judging whether a convergence condition is met or not, and if yes, updating the physical property parameters of the multiphase fluid according to the current temperature and pressure, and outputting a numerical simulation result of the unconventional oil and gas reservoir. According to the invention, the productivity prediction deviation can be reduced.

According to the cottonseed-based natural ester oil insulation transformer box body, a capsule oil conservator is installed at one end of the top of the transformer box body, is filled with cottonseed-based natural ester insulating oil and is communicated with heat dissipation oil in the inner space of the box body through a pipeline; the other end of the box body is provided with an on-load tap-changer; a plurality of finned radiators are respectively mounted on the left and right sides of the box body, and oil pipes of the finned radiators are connected with the interior of the transformer box body to form heat-conducting oil circulation heat dissipation; an oil surface temperature controller and a winding temperature controller are mounted at the end part of the box body; a gas relay and a pressure relief valve are mounted at the top of the box body; an oil drain valve, an oil sample valve and a grounding bolt are installed at the bottom of the box body. The capsule oil conservator has the beneficial effects that the capsule oil conservator can be used for supplementing lost heat-conducting oil into the transformer box body or guiding redundant heat-conducting oil into the capsule oil conservator. The on-load tap-changer can adjust the gear of the winding in the transformer box body; and the heat-conducting oil of the radiator is connected with the heat-conducting oil in the transformer box body to form heat-conducting oil circulating heat dissipation.

The application provides a compressed carbon dioxide energy storage system coupling low-temperature molten salt and direct air carbon capture, and relates to the field of energy storage, comprising: a carbon dioxide gas bag, the outlet gas of which is compressed by a carbon dioxide compressor unit, cooled by a subcooler to form liquid carbon dioxide, and sent to a high-pressure liquid carbon dioxide storage tank for storage, the compression heat generated in the carbon dioxide compression process is stored in a hot water tank in the form of hot water; the liquid carbon dioxide output by the high-pressure liquid carbon dioxide storage tank is sequentially passed through a preheater, a primary heater, a primary carbon dioxide turbine, a secondary heater, a secondary carbon dioxide turbine, and then the output carbon dioxide is cooled by a cooler and input into the carbon dioxide gas bag; an external molten salt device provides molten salt heat exchange for the heat conducting oil of the primary heater and the secondary heater; the outlet water of the hot water device provides heat for the regeneration process of a carbon capture device, and the outlet water of the carbon capture device is input into a cold water device. The application uses large-scale long-time energy storage technology to improve the heat utilization rate and peak capacity of a photothermal power station.

A multi-way valve adapted to control a flow of fluid to different thermal fluid circuits includes a valve housing, a valve flow controller, and sealing systems. The valve flow controller is arranged in the valve housing to control flow through the valve housing. Each scaling system is configured to seal between the valve housing and one of the valve rotors included in the valve flow controller.

The invention belongs to the technical field of electric smelting refractory brick manufacturing, and discloses an electric smelting refractory brick annealing waste heat recycling system which comprises a heat absorption pipe of an annealing furnace, a heat dissipation coil pipe, a storage cabinet, an oil pump and a heat absorption pipe which are sequentially connected through a pipeline and used for forming a circulating oil way. The heat dissipation coil pipe is arranged in a heat storage oil tank filled with heat conduction oil, and an oil inlet connector and an oil outlet connector of the heat dissipation coil pipe respectively extend out of the heat storage oil tank; a first control valve is arranged on a pipeline between the outlet end of the heat absorption pipe and the oil inlet connector. According to the invention, heat slowly released during annealing of the electrically-fused refractory bricks is utilized to heat the sand molds stored in a centralized manner through the high-temperature heat-conducting oil pipeline, so that the heat energy waste is reduced, and the cost is reduced; and through the heat storage oil tank, the heat buffering effect is achieved, the stability of heat energy exchange of the system is guaranteed, and waste heat recycling in the whole annealing period is achieved.

This utility model discloses a rubber gasket embossing device, including a rectangular lower mold base and an upper mold base. Vertical guide rods are fixedly installed at the four upper corners of the lower mold base, passing through and slidably connecting to the upper mold base. A rectangular top plate is fixedly installed between the top ends of the guide rods. A rectangular heat medium cavity is provided in the mold base, used for filling with heat-conducting oil and containing an electric heating element. A cover plate for sealing the heat medium cavity is installed on the upper side of the upper mold base. Several protruding punches are screwed to the bottom of the heat medium cavity. Several mounting grooves are provided on the lower mold base, each corresponding to a screwed-on die cylinder. A sliding support plate is provided in the die cylinder, and a spring is provided at the lower part of the support plate. The heat-conducting oil is heated by the electric heating element, and the heat-conducting oil is used as the heat medium to heat each punch. During the hot pressing process, the high temperature enhances the movement of the rubber molecular chains, while the high pressure forces the molecular chains to align oriented along the molding cavity, which helps maintain the shape of the embossed gasket.

This utility model discloses a reaction vessel for improving mixing effect, including a reaction vessel body. A positioning support rod is provided at the bottom of the interior of the reaction vessel body. A heating groove is provided on the outer wall of the reaction vessel body, and a heating rod is provided inside the heating groove. A heat transfer oil outlet is provided on one side of the bottom of the heating groove, and a heat transfer oil inlet is provided above the other side of the heating groove. Support frames are provided on the lower sides of both sides of the reaction vessel body. In this utility model, a screen is provided at the bottom of the material mixing cylinder. This structure is suitable for mixing multiple raw materials. During the addition of raw materials, dry mixing can be performed using the material mixing cylinder. Simultaneously, the screen at the bottom can screen and crush any lumpy raw materials, ensuring even downward distribution and conveying of the raw materials. This effectively avoids material clumping, accelerates the mixing speed, and thus improves the mixing effect.

The present application relates to the technical field of glue production, in particular to an environmentally-friendly glue preparation device for children's picture book production and a process thereof, comprising a stirring tank and a stirring part arranged inside the stirring tank, the stirring part is internally provided with a heat conduction part for uniformly heating the glue in the tank for stirring, an oil temperature machine is installed outside the stirring tank for supplying heat oil to the heat conduction part; the stirring part comprises a heat insulation cylinder and a plurality of stirring pipes; the heat conduction part comprises a pair of oil pipes, a pair of oil inlet pipes, a pair of oil return pipes and an oil distribution sleeve, the two oil pipes are U-shaped pipes and are vertically arranged inside the heat insulation cylinder, a plurality of U-shaped oil distribution pipes are vertically inserted into one side wall of the oil pipes, and the oil distribution pipes are sleeved with the stirring pipes. In the present application, the oil distribution pipes are embedded in the stirring pipes, the heat oil is distributed into the rotating stirring pipes through the oil distribution sleeve, the heat is radially diffused, a rotating heat conduction system is formed to complete dynamic uniform heating, and the effect of eliminating local overheating and eliminating the phenomenon of local continuous decomposition of the glue is achieved.

The application provides a compressed air energy storage power generation system based on cascade utilization of photothermal heat compensation and flash evaporation, and relates to the technical field of energy storage power generation. Air is compressed by a multistage compressor through an air compression heat exchange unit, high-pressure air is obtained, heat generated by compressed air is absorbed by low-temperature water, high-temperature water is obtained, an expansion power generation system is used, a multistage expander is used, high-temperature heat conducting oil obtained by the high-temperature water and a photothermal heat collection unit is used to heat input high-pressure gas of each stage of the expander in sequence, power generation is performed, electric energy, exhaust gas of the last stage of the expander, medium-temperature water and low-temperature heat conducting oil are obtained, high-grade energy utilization is realized, heat of the medium-temperature water is converted into electric energy by a flash evaporation power generation system, medium-grade energy utilization is realized, low-grade energy utilization is realized through preheating, the problem that the existing compressed air energy storage power generation system cannot realize cascade utilization of high, medium and low-grade energy is solved, and the application is suitable for energy storage power generation.

The utility model provides a batching device of intelligent paint spraying equipment, which relates to the field of batching equipment of the intelligent paint spraying equipment, and comprises a batching assembly, a base for supporting, a batching tank for providing a batching space, a top cover movably connected to the top of the batching tank, and an opening and closing assembly for opening and closing the top cover, the batching tank comprises a shell, an inner container fixed in an inner cavity of the shell, and an interlayer positioned between the shell and the inner container; the temperature of the interlayer and the temperature of the inner container are monitored in real time through the first thermocouple and the second thermocouple in the temperature control assembly respectively, the liquid level sensor monitors the liquid level of the heat conduction oil, the sensor transmits data to the PLC, the PLC controls the electric heating rod to heat the inner container, meanwhile, the circulation assembly can enable the heat conduction oil to flow circularly, and therefore the heat conduction oil can be heated. And therefore, the heating speed and temperature are accurately controlled, excessive fluctuation of the temperature is avoided, the stability of the viscosity of the coating is ensured, and the spraying quality is improved.

The utility model discloses a heat conduction oil system which comprises an expansion tank, an oil supply pipeline, an oil return pipeline, a cooler, a collecting container, a single expansion pipe and an auxiliary exhaust pipe. The oil supply pipeline and the oil return pipeline are respectively connected with the expansion tank, the oil supply pipeline is provided with an oil supply valve, and the oil return pipeline is provided with an oil return valve; the heat-conducting oil can enter the expansion tank through the oil supply pipeline and circulate in the expansion tank, so that the temperature of the heat-conducting oil in the expansion tank is increased, low-boiling-point substances in the heat-conducting oil are gasified, and the pressure of the expansion tank is increased; the cooler is connected with a gas outlet of the expansion tank through a first pipeline, and the cooler is connected with the collecting container through a second pipeline; and gasified low-boiling-point substances are conveyed to a cooler for cooling through a gas outlet of the expansion tank, and then are conveyed to the collecting container. According to the conduction oil system provided by the utility model, the content of low-boiling-point substances in the conduction oil can be obviously reduced, and the normal work of the system is ensured.

The invention discloses a geothermal target area intelligent delineation method, device and system and a storage medium, accurate constraint correction is carried out on imported plane grid data through well point deviation field correction, a finite difference heat-flow coupling solver is adopted to solve a temperature field and a pressure field, and a fluid potential field and a flow velocity field are calculated according to the temperature field and the pressure field. Target region identification and grading are realized based on hot fluid potential index HFI comprehensive evaluation, HFI probability distribution estimation and confidence grading are realized through Bayesian uncertainty quantification, extrapolation protection is realized through risk evaluation based on streamline convergence degree, and GUI one-key operation, data import, visualization and report generation are provided. By adopting the technical scheme of the invention, the calculation cost is reduced while the physical rationality is maintained, the confidence quantification of target region identification is provided, and the reliability of terrestrial heat target region delineation and the engineering decision efficiency are improved.

The invention is applicable to the technical field of dehydrogenation reactors, and provides a dehydrogenation reactor with embedded fixed type small overflow weir tower plates, which comprises a reactor shell, an organic liquid discharge pipe is arranged at the bottom of the reactor shell, and an organic liquid inlet pipe and a hydrogen pipe are arranged at the top of the reactor shell; the reactor shell is internally provided with a heat-conducting oil pipeline, the side wall of the reactor shell is internally provided with a plurality of sliding grooves, the sliding grooves are connected with fixing grooves, the reactor shell is internally provided with a plurality of overflow weir tower plates, the outer side walls of the overflow weir tower plates are provided with fixing convex seats, and the overflow weir tower plates are provided with overflow hole channels. According to the device, reaction backmixing is effectively inhibited through unique overflow weir tower plate layout and a fixed structure, modularized convenient replacement of a catalyst is realized, efficient gas-liquid separation in the reaction process is promoted, and the device has the advantages of high dehydrogenation efficiency, low operation and maintenance cost, good operation flexibility and the like.

The application discloses a kind of wide temperature range multi-heat source ORC system performance test platform, it is related to waste heat recovery technical field, a kind of wide temperature range multi-heat source ORC system performance test platform includes high temperature circulating pipeline, high temperature circulating pipeline includes oil tank and electric heating heat conducting oil furnace, high temperature circulating pipeline is used to provide the heat of first temperature range for the ORC system to be tested;Low temperature circulating pipeline, low temperature circulating pipeline includes for changing the temperature of circulating water in low temperature circulating pipeline low temperature unit, low temperature unit is used to provide the heat of second temperature range for the ORC system to be tested, wherein, the upper limit value of second temperature range is less than the upper limit value of first temperature range;Cooling circulating pipeline, cooling circulating pipeline is used to provide cooling circulating water to low temperature circulating pipeline.The platform can cover wider temperature range heat source simulation, provide real experimental verification environment for ORC system, reflect the real performance of ORC system in test.

The present application belongs to the technical field of chemical manufacturing, and particularly relates to a reaction kettle for preparing high-purity germanium tetrafluoride. In the present application, 20% F2 / N2 mixed gas is used as the reaction raw material instead of high-purity fluorine gas, which is easy to store and has low transportation difficulty, thereby significantly reducing the production cost. Meanwhile, the 20% F2 / N2 mixed gas can be introduced into the reaction kettle at one time, and the content of fluorine gas in the reaction system can be accurately controlled, which is more conducive to the formation of germanium tetrafluoride than the conventional way of introducing fluorine gas into the reaction kettle in batches. The fluidized bed layer and the heat-conducting oil pipe for heat exchange are arranged below the inside of the reaction kettle, so that the reaction temperature can be controlled without adding water or twice gas injection. The germanium powder feeding port and the fluorine-nitrogen mixed gas inlet of the reaction kettle are arranged separately, so that the germanium powder and the gas form convection, can be fully mixed and uniform, and the product conversion rate is improved.

The utility model discloses a demagnetizing machine with a drying system, which comprises a sealing shell (13) and a plurality of coils (7) arranged in the sealing shell, a material channel (2) is arranged in the middle of the sealing shell, a screen (1) is arranged in the material channel, an oil inlet (10) and an oil outlet (11) are arranged on the sealing shell, and the oil inlet (10) is communicated with the oil outlet (11). A cooling channel (14) filled with heat conduction oil is arranged between the sealing shell and the coil, a flow guide channel is arranged between the cooling channel and the material channel, the oil inlet, the cooling channel, the flow guide channel and the oil outlet are sequentially communicated, and the oil inlet is communicated with a conveying oil pump (F101) through a first oil guide pipe (G301). The material drying system is integrated, and waste heat generated by the demagnetizer system can be effectively utilized to dry materials.

The invention relates to the technical field of preparation of acidizing corrosion inhibitors, and discloses a preparation system and method of an acidizing corrosion inhibitor, and the system comprises a raw material treatment module used for pretreating, metering and mixing a plurality of organic amine and aldehyde raw materials; the reaction synthesis module performs condensation reaction at preset temperature and pressure, and the reaction temperature is kept constant through the heat-conducting oil circulation system; the product separation and purification module comprises a centrifugal separator and a membrane filtration device and is used for realizing preliminary separation, washing and purification of a product; the performance detection module is used for detecting the corrosion inhibition rate, the iron ion concentration, the dynamic viscosity, the cloud point and the adsorption membrane potential on line; the central control module judges the product performance according to the detection result, and performs feedback regulation on the raw material ratio, the reaction temperature, the reaction duration or the purification pressure when the product does not reach the standard, so that the production process optimization and the product performance stability are realized, and the intelligent regulation and control and the performance stability in the production process of the acidizing corrosion inhibitor are effectively realized.

The invention relates to a device (10) for converting solar energy into electrical energy and thermal energy, the device (10) comprising: a main body (12) having an upper side (14) which can be oriented towards the sun, an lower side (18) which can be oriented towards a building (16), and at least one lateral side (20) which is arranged between the upper side (14) and the lower side (18); a photovoltaic module (24) forming the upper side (14) for converting the solar energy into electrical energy; and a heat exchanger (28) having a fluid chamber (44) through which a thermal fluid (46) can flow, the fluid chamber (44) adjoining the photovoltaic module (24).

The application belongs to the technical field of salt solution drying, and particularly relates to a continuous evaporation and drying device for triflic acid salt solution. The device comprises a raw material tank, a feeding pump, a recovery cold trap, a vacuum pump, a cyclone separator, two-stage thin film evaporators, a screw conveyor, a material bin and a heat conducting oil furnace, and a continuous material flow path, a gas phase condensation recovery path and a circulating heating path are formed through pipelines. The scheme limits the operation parameters of the two-stage evaporators, such as the operating pressure, temperature and scraper rotating speed, and clearly defines the heat exchange feeding design of the recovery cold trap, the gas velocity of the cyclone separator and the powder backflow structure, is suitable for multiple solvent systems and various corrosion-resistant materials, and the material bin adopts a closed structure with nitrogen protection, and multiple bins can be connected in parallel to switch feeding. The application realizes continuous drying of triflic acid salt, improves production efficiency, product quality and yield, reduces energy consumption and improves solvent recovery rate through waste heat recovery.

The utility model discloses a low-boiling-point substance collecting device of a heat conduction oil heating furnace. The low-boiling-point substance collecting device comprises an expansion tank and an oil-gas separator, the oil-gas separator is in fluid communication with an inner cavity of the expansion tank through an expansion pipeline, an exhaust port is formed in the top of the expansion tank, the low-boiling-point substance ascending pipe is in fluid communication with the inner cavity of the expansion tank through the exhaust port, and the condensate descending pipe and the low-boiling-point substance ascending pipe are arranged at intervals; the condensing pipes are arranged between the low-boiling-point substance ascending pipe and the condensate descending pipe, each condensing pipe is obliquely arranged from the low-boiling-point substance ascending pipe to the condensate descending pipe from high to low, and the low-boiling-point substance ascending pipe, the condensing pipes and the condensate descending pipe are in fluid communication. The device further comprises a low-boiling-point substance condensate recovery tank, and the condensate descending pipe is communicated with the low-boiling-point substance condensate recovery tank through a condensate recovery pipeline. Low-boiling-point substances are continuously and rapidly collected on line, the heat transfer performance of heat conduction oil is improved, the heating furnace operates stably, and the heat efficiency is high.

This invention discloses an environmentally friendly continuous flow waste heat recovery device and method for sulfuric acid, belonging to the technical field of waste heat recovery devices. It includes a flexible inner shell with a supporting frame inside. The flexible inner shell is connected to a pressure-bearing outer shell via a first connecting pipe at its top. Heat-conducting oil is filled between a protective layer inside the pressure-bearing outer shell and the flexible inner shell. Static gas is placed between the protective layer and the inner wall of the pressure-bearing outer shell. A first pressure sensor and a second pressure sensor on the inner and outer sides of the flexible inner shell respectively detect the pressure applied by the sulfuric acid reaction solution and the heat-conducting oil. This invention, by incorporating a flexible inner shell, a pressure-bearing outer shell, a first oil pump, a second oil pump, a first pressure sensor, and a second pressure sensor, achieves continuous and stable recovery of waste heat during the sulfuric acid reaction process, improving overall energy utilization efficiency, enhancing equipment reliability and service life, optimizing heat transfer efficiency, and reducing the need for manual intervention.