1642 results about "Plate heat exchanger" patented technology

The invention belongs to the field of charging pile energy recovery, and particularly relates to a charging pile system based on an immersed liquid cooling technology and waste heat recovery. A power distribution unit is arranged on the inner side wall of a shell, a liquid cooling box is arranged in the shell, the liquid cooling box is filled with cooling liquid, and a charging module is arranged in the liquid cooling box; the charging module is completely immersed in cooling liquid in the liquid cooling box, two heat exchange assemblies are arranged on one side of the liquid cooling box and located in the shell, a water storage assembly is arranged on one side of the shell, and the liquid cooling box and the two heat exchange assemblies communicate with each other and form circulating heat exchange on the cooling liquid in the liquid cooling box. The two heat exchange assemblies and the water storage assembly communicate with each other, and circulating heat exchange of water in the heat preservation water tank is formed. Through the arrangement of the cooling liquid purity detection module and other assemblies, real-time purity detection can be conducted on cooling liquid flowing back into the liquid cooling box, and when the first plate heat exchanger breaks down, the second plate heat exchanger is switched to guarantee hot water supply.

The invention discloses a bimodal adaptive immersion phase change charging station thermal management system, and relates to the technical field of charging station thermal management, and the system comprises a circulation management module which carries out the circulation mapping and optimization operation of a phase change temperature result, and generates a circulation scheme; the immersion cooling module is used for intelligently regulating and controlling the nanometer phase change slurry to flow in an immersion cooling tank in a self-adaptive manner by utilizing a circulation scheme, and dynamically switching between a single-phase liquid cooling mode and a phase change boiling mode to generate heat absorption data; the heat exchange module is used for inputting the heat absorption data into a plate heat exchanger for heat exchange to generate cooling liquid temperature data, and carrying out heat dissipation and waste heat recovery operation of a dry cooler to generate backflow heat data; feature extraction and multi-dimensional nonlinear coupling analysis are carried out on the initial working condition data of the charging station, and iterative optimization is carried out in combination with a pre-training model, so that high-precision prediction of dynamic and multi-modal temperature changes is realized, and a reliable basis is provided for circulation management and cooling mode selection.

The invention discloses a rectification mechanism and a carbon disulfide production system containing the same. The rectification mechanism comprises an integrated rectification tower, and an inner cavity of a shell of the integrated rectification tower is sequentially divided into a function-integrated pre-separation and sulfur removal area, a main rectification and hydrogen sulfide removal area and a condensation reflux area from bottom to top in the vertical direction; the pre-separation and sulfur removal area comprises a settling tank arranged at the lower part of the shell, a gathering cover arranged above the inner wall of the settling tank, and a gas rising pipe I arranged above the gathering cover; the invention belongs to the technical field of chemical separation, and achieves the technical effects that multi-stage functions of pre-separation, main rectification, precise purification, final condensation and the like are innovatively integrated in a single tower, so that the fundamental simplification and compactness of the equipment structure are realized; in the traditional process, separate coarse removal, fine removal and finished product towers are replaced by unique expanded settling tanks in the towers, filler layers of integrated plate heat exchangers, tower tops with spiral condensation channels and side-draw systems.

The invention relates to an ORC heat exchanger optimization design method and system based on deep learning. The method comprises the steps that S1, original data samples are expanded based on a data enhancement method; s2, screening key input features of the data samples; s3, synthesizing minority class samples to balance a sample data set; s4, a physical information neural network model is constructed and trained, and heat exchanger performance indexes under different structure parameter combinations are predicted based on the trained model; s5, optimizing the structural parameters of the heat exchanger by adopting a multi-objective coevolution optimization algorithm; and S6, simulation verification is conducted, and the optimal plate heat exchanger design scheme of the target scene is obtained. Through three technical breakthroughs of data enhancement driven by physical constraints, neural network architecture embedded in thermotechnical physics and multi-target collaborative optimization guided by forward distance, systematic technical obstacles in design of the ORC heat exchanger are solved, and an unexpected synergistic effect is generated.

The invention provides a plate heat exchanger which is characterized in that a first plate sheet comprises a first trough and a second trough which are adjacent, the first trough and the second trough are sunken downwards relative to the same reference plane P1, and the depth of the first trough is larger than that of the second trough; the second plate sheet comprises a first wave crest and a second wave crest which are adjacent, the first wave crest and the second wave crest protrude upwards relative to the same reference plane P2, and the height of the first wave crest is larger than that of the second wave crest; the first wave crest and the first wave trough are mutually contacted and fixedly welded; the second wave crest is at least partially opposite to the second wave trough, and the height of the second wave crest is unequal to the depth of the second wave trough. According to the plate heat exchanger, through the structural design, the surfaces of the two heat exchange plates forming the inter-plate flow channel have different flow resistances, and flow channels with asymmetric sections are formed between the plates, so that the turbulence degree is larger when fluid flows through, and the heat exchange performance of the heat exchanger is improved.

The invention discloses a control method for steam condensate waste heat recovery and waste water heating, a control device for steam condensate waste heat recovery and waste water heating, control equipment and a computer readable storage medium. The thermal load and the logarithmic average temperature difference are calculated based on the energy conservation principle, and the needed heat exchange area is calculated through a logarithmic average temperature difference method. A flow combination scheme of the plate heat exchanger is determined according to the heat exchange area and the flow parameters, a steam condensate side adopts a single flow, and a waste water side adopts asymmetric configuration of double flows or multiple flows so as to adapt to the flow difference of the two sides. In addition, a real-time monitoring mechanism is further established, when the total heat transfer coefficient is decreased by more than 10%, a cleaning program is automatically triggered, continuous and stable operation of the system is guaranteed, and efficient utilization of waste heat resources is achieved.

The invention relates to the field of uranium concentration, and discloses an energy-saving device and method for drying a first-batch centrifugal unit. According to the device, an inlet of a centrifugal machine is connected with an outlet of an evaporator through a pipeline provided with a fourth cooling valve and an eighth cooling valve and is connected to the secondary side of a cooling plate heat exchanger and the secondary side of a heating plate heat exchanger respectively; an outlet of the centrifugal machine is connected with an inlet of the evaporator through a sixth cold valve, a first cold valve and a second water pump. An inlet of the sixth cold valve is connected with the secondary side of the heat supply plate heat exchanger through a first water pump. The primary side of the cold supply plate heat exchanger is connected with a newly-built cooling tower loop, and the primary side of the heat supply plate heat exchanger, the condenser and the newly-built cooling tower form circulation. By optimizing system connection and a heat energy circulation path, the energy utilization efficiency and the equipment utilization rate are effectively improved, and the investment and operation cost is remarkably reduced.

A method for preparing a profiled microchannel plate heat exchanger, and belongs to the technical field of heat exchange. The method based on a combination of a plurality of methods formed by selective laser melting and micro electrical discharge machining can realize a profiled microchannel plate heat exchanger having large aspect ratio flow channels and closed profile section flow channels.

The invention relates to a semiconductor refrigeration module with a cold storage function and a control method. The technical problem that when an existing vehicle-mounted refrigerator operates independently, a compressor of a whole vehicle needs to be kept running at a low rotating speed for a long time is solved. Comprising a semiconductor chilling plate, a cold end heat exchange assembly is arranged on one side of the cold face of the semiconductor chilling plate, a plate heat exchanger is arranged on one side of the hot face of the semiconductor chilling plate, a cold storage heat exchanger and a phase change material packaging box are arranged on one side of the plate heat exchanger, and the phase change material packaging box is filled with a low-temperature phase change material. The plate heat exchanger and / or the phase change material packaging box are / is connected with a refrigerant circulation mechanism connected with a whole vehicle compressor refrigerating system. The refrigeration system has the advantages that when the whole vehicle compressor refrigeration system works, the low-temperature phase-change material is used for quickly storing cold energy, and the low-temperature phase-change material can be used for dissipating heat for the hot surface of the semiconductor refrigeration sheet after the whole vehicle compressor refrigeration system stops working, so that long-time low-speed operation of the whole vehicle compressor is avoided, and the service life of the whole vehicle compressor can be effectively prolonged.

The invention discloses a circulating fluidized bed boiler water supply optimization method and system, and belongs to the technical field of boiler energy conservation. The system mainly comprises a condensate water tank, a demineralized water tank, a slag cooler, a deoxygenization water tank, a condensate water pump, a demineralized water pump, a plate heat exchanger, a reverse osmosis membrane group, a demineralized water buffer tank and the like. The principle of'condensate water priority 'is adopted, the supply amount of condensate water is preferentially adjusted according to the liquid level of the deoxygenated water tank through the intelligent control unit, and the insufficient part is supplemented by demineralized water; the demineralized water subjected to heat exchange by the slag cooler is intelligently distributed to a demineralized water tank, a condensation water tank or a deoxygenization water tank according to the water outlet temperature; the plate heat exchanger can preheat reverse osmosis inlet water by adopting a desalting water mode or a steam mode; the demineralized water buffer tank effectively inhibits water impact. Dynamic balance and heat energy gradient utilization of steam condensate water and demineralized water are achieved, the problems of water tank overflow and energy waste are effectively solved, and the economical efficiency and stability of boiler operation are remarkably improved.

The invention relates to the technical field of plate heat exchangers, and provides a plate heat exchanger with a self-cleaning function, which comprises a bottom plate, a device frame fixedly mounted on the bottom plate, a heat exchange structure mounted on the device frame and used for heat exchange, a heat exchange pipeline set, a liquid storage tank, a cleaning assembly and a recovery assembly, the heat exchange pipeline set is installed on the device frame and comprises a cold fluid conveying assembly used for conveying cold fluid and a hot fluid conveying assembly used for conveying hot fluid, the liquid storage tank is fixedly installed on the bottom plate, cleaning fluid is stored in the liquid storage tank, and cleaning assemblies are installed on the cold fluid conveying assembly and the hot fluid conveying assembly correspondingly. The cold fluid conveying assembly and the hot fluid conveying assembly are each provided with a recovery assembly, and the technical problems that in the prior art, when the plate heat exchanger is cleaned, mechanical damage is likely to be caused to metal plates, then the service life of equipment is affected, and the operation and maintenance cost is increased are solved.

The disclosure relates to a plate heat exchanger comprising: a package of heat exchanger plates, each having a peripheral portion and several port portions with through flow ports communicating with flow passages between adjacent heat exchanger plates. First guiding ribs are arranged in the port portions, which first guiding ribs in every other flow passage between the heat exchanger plates are configured to guide and distribute the first heat exchange medium from a first inlet channel to a heat exchange portion and from the heat exchange portion to a first outlet channel, and in that second guiding ribs are arranged in the port portions, which second guiding ribs in the remaining flow passages between the heat exchanger plates are configured to guide and distribute a second heat exchange medium from a second inlet channel to the heat exchange portion and from the heat exchange portion to a second outlet channel.

The invention relates to the technical field of high-efficiency recovery of low-temperature exhaust gas, in particular to a high-temperature cooking waste heat recovery system for white spirit brewing. The white spirit brewing high-temperature cooking waste heat recovery system comprises a cooking barrel, a compressor, an embedded plate heat exchanger, a condensate water tank and a circulating pump, a liquid inlet of the cooking barrel is communicated with one end of a water supplementing pipe, an air inlet of the compressor is communicated with a waste gas outlet of the cooking barrel, and the compressor is used for compressing steam to obtain high-temperature and high-pressure steam. A steam inlet of the embedded plate heat exchanger is communicated with an air outlet of the compressor, and a steam outlet of the embedded plate heat exchanger is communicated with a steam inlet of the cooking barrel through a steam conveying pipe. By adopting the arrangement mode, waste heat steam is utilized twice to recover heat, high-efficiency energy utilization can be realized, energy consumption and carbon emission are reduced, and meanwhile, the cooking efficiency and the grain quality are improved.

The invention discloses a compressor refrigeration and fluorine pump refrigeration dual-circulation system, and relates to the technical field of refrigeration equipment, the compressor refrigeration and fluorine pump refrigeration dual-circulation system comprises a compressor refrigeration system and a fluorine pump refrigeration system, and the compressor refrigeration system and the fluorine pump refrigeration system are coupled to form the dual-circulation system for cooling electronic components; the compressor refrigerating system comprises a compressor, a condenser, a liquid storage device, a thermostatic expansion valve, a plate heat exchanger and a gas-liquid separator. The compressor, the condenser, the liquid storage device, the thermostatic expansion valve, the plate heat exchanger and the gas-liquid separator are sequentially connected to form a closed loop. The operation of the double-circulation system is controlled through the fluorine supply temperature collected by the temperature sensor installed at the inlet of the cold plate assembly, the fluorine pump refrigeration system conveys a certain flow of refrigerant to the cold plate assembly for heat exchange, and the refrigerant flowing out of the cold plate assembly exchanges heat with the compression refrigeration system through the plate heat exchanger. And the opening balance system is adjusted to output cold energy to the cold plate assembly.

The utility model discloses automatic welding equipment for the end face of a spiral plate, which relates to the technical field of welding, aims to solve the technical problem that the welding path of a spiral plate heat exchanger is single, and comprises a base, a rotating mechanism, a control operation cabinet, a cross module mechanism, a laser tracking sensor and a composite welding holder. The composite welding holder is composed of a bearing table, an indexing assembly and an execution assembly, the indexing assembly can provide two working modes of continuous rotation and intermittent rotation, and the execution assembly drives the welding gun to be overlapped on a reference spiral track to form a wavy spiral welding track and a bevel spiral welding track. Automatic welding of two kinds of high-performance welding seams is achieved through one set of equipment, the anti-fatigue advantage of a wave-shaped track and the high-strength characteristic of a bevel-shaped track are both achieved, stress distribution of the welding seams is effectively improved, and welding quality, efficiency and equipment universality are remarkably improved.

The invention provides an anti-overheating expansion welding method for a tube plate and a heat exchange tube and a tube plate heat exchanger, and relates to the technical field of heat exchanger manufacturing, the method comprises the following steps: planning a welding sequence according to a plurality of to-be-welded tube plate joints on the tube plate, and enabling the continuous tube plate joints on the welding sequence to be non-adjacent in spatial positions; welding is conducted according to the welding sequence, and meanwhile a heat conduction tool is used for making contact with the tube plate connector to conduct heat away; after welding of the preset number of tube plate joints is completed every time, the weld joint temperature is detected and compared with a preset temperature threshold value, and if the weld joint temperature is smaller than or equal to the preset temperature threshold value, welding of the next set of tube plate joints continues; and if the weld joint temperature is larger than the preset temperature threshold value, welding is suspended, and cooling is conducted till the weld joint temperature falls back to be lower than or equal to the preset temperature threshold value. Through a collaborative mechanism of path dispersion, active heat conduction and closed-loop temperature control, the problems of welding seam overheating oxidation, structure deterioration and poor process stability caused by heat conduction difference of dissimilar metals and heat accumulation of batch welding are solved.

The invention relates to the technical field of data center thermal management, in particular to a pump-driven two-phase multi-connected liquid cooling control method and system, and the system comprises a liquid cooling module, a plurality of groups of cold plates, a sensor group and a central controller. The liquid cooling module comprises a plate heat exchanger, a liquid storage tank, a parallel refrigerant pump, a control valve group and a tail end flow regulating valve which form a closed circulation loop; the cold plates are arranged in parallel at heat source positions; the sensor group collects parameters such as temperature, pressure and flow; and the central controller executes a self-adaptive fuzzy PID algorithm to dynamically adjust the pump speed, corrects a flow set value through a two-phase flow stability optimization algorithm, starts and stops the pump according to periodic polling, and controls the on-off and the opening degree of a valve. The water-free fluorinated liquid is adopted as a refrigerant, and multi-pump redundancy, double-algorithm cooperation and independent flow regulation design are combined, so that the heat dissipation efficiency and the system stability are improved, the service life of equipment is prolonged, the multi-heat-source differentiation requirements are met, the operation safety is enhanced, and the energy consumption and the maintenance cost are reduced.

The invention provides an intelligent integrated control system for waste heat recovery of a swimming pool heat pump and domestic hot water. The system comprises a data acquisition module, an energy efficiency evaluation and recovery decision module, an intelligent scheduling execution module and a heating mode optimization module. The waste heat availability is dynamically evaluated by monitoring heat pump operation parameters and the water tank thermal stratification state in real time, the system stability is judged in combination with the heat pump energy efficiency change trend and the water tank top temperature acceleration, and a three-way valve is intelligently controlled to switch a waste heat preheating path. In the waste heat recovery state, the waste heat participation degree is determined based on the temperature difference and flow of the plate heat exchanger, the main heating power is adjusted by combining the up-down temperature difference and the top temperature change trend of the water tank, and efficient, stable and energy-saving domestic hot water supply is achieved. The energy comprehensive utilization efficiency is remarkably improved, carbon emission is reduced, and the system is suitable for green buildings and smart energy scenes.

The invention discloses a cascade self-adaptive distribution method and device for phase change immersion cooling waste heat of a data center, and relates to the technical field of liquid cooling waste heat distribution. Comprising the following steps that S1, cascade waste heat distribution data are collected in real time, and data preprocessing is carried out; s2, regulation and control parameters of a steam pump are judged, steam pumping is conducted according to the regulation and control parameters of the steam pump, and in the process that steam enters the plate heat exchanger, regulation and control parameters of a power pump are judged, and backflow of condensate is adjusted; s3, the waste heat distribution proportion of the first-stage branch, the second-stage branch and the third-stage branch is judged, and the three branches are driven to conduct waste heat distribution on the heat using end according to needs; and S4, continuously monitoring the operation state, and optimizing each algorithm. The problems that in an existing two-phase immersed cooling system, a large amount of waste heat is directly discharged, the waste heat utilization rate is low, cascade distribution and a dynamic self-adaptive regulation and control mechanism are lacked, energy is wasted, load fluctuation is difficult to cope with, and the requirements for high energy efficiency and low-carbon operation of a data center cannot be met are solved.

A plate pressing and assembling device for a plate heat exchanger relates to the technical field of plate heat exchanger assembling equipment and comprises a base, a sliding frame is slidably arranged at the top of the base, a moving plate is horizontally and movably arranged at the end of the sliding frame, a plurality of rotatably arranged U-shaped clamping plates are parallelly arranged at the end of the moving plate, and the U-shaped clamping plates are synchronously and rotatably arranged. A plurality of inserting columns are fixedly arranged on the inner wall of the U-shaped clamping plate, a bearing plate for bearing the outer frame is slidably arranged at the top of the base, a plurality of positioning columns are fixedly arranged at the top of the bearing plate, a bearing assembly for bearing the plate and a positioning assembly for positioning the plate are arranged at the top of the base, and a plurality of inserting grooves are formed in the opposite side walls of the plate. The plate heat exchanger solves the problem that the installation procedure is tedious when an existing plate heat exchanger plate is assembled.

The device comprises a connecting box body, a heat exchange plate spacing adjustable structure and a swing flushing structure are arranged in the box body, the end face of the box body is connected with a water pump, the side wall of the box body is connected with a controller, a water outlet pipe is arranged at the bottom of the box body, and the water pump and two motors are electrically connected with the controller. The heat exchange plate spacing adjustable structure drives a lead screw, a sliding block, a pull rod and the like to perform transmission through a driving motor, so that the movable heat exchange plates are clamped or uniformly separated; the swing flushing structure drives a gear to transmit through a rotating motor, so that a cleaning nozzle swings back and forth between heat exchange plates and cooperates with a water pump to spray water for flushing. The method comprises the steps that the driving motor is controlled to separate the heat exchange plates, the rotating motor is started to drive the nozzles to swing, the water pump is started to wash the plugs, and finally the driving motor clamps the heat exchange plates for sealing. Spacing adjustment and automatic cleaning are achieved without disassembly, the problems that an existing device is tedious in operation and wastes time and labor are solved, the heat exchange efficiency and use convenience are improved, waste heat is effectively recycled, and energy waste is reduced.

The invention discloses an air supplement centralized dehumidification device for underground buildings, and belongs to the technical field of dehumidification heat exchange devices, the air supplement centralized dehumidification device comprises two tower bodies, one tower body is used for dehumidifying air, the other tower body is used for regenerating dehumidification liquid, and a compression heat pump system is arranged between the two tower bodies and used for refrigerating and heating the two tower bodies respectively. The double-tower-body design is responsible for air dehumidification and dehumidification liquid regeneration respectively, a complete energy circulation closed loop is constructed in cooperation with a compression heat pump system composed of an integrated evaporator, a condenser, a compressor and an expansion valve and a plate heat exchanger, the heat pump system efficiently transfers heat through phase change circulation, a stable cold and heat source is provided for the dehumidification and regeneration process, and the heat pump system has the advantages of energy conservation and environmental protection. The plate heat exchanger achieves heat recovery of a low-temperature dilute solution and a high-temperature concentrated solution, energy waste is reduced, and compared with the problems of high energy consumption of traditional air conditioner dehumidification, low energy utilization rate of single solution dehumidification and the like, the total energy consumption of the system is greatly reduced, and the green and environment-friendly concept is fully practiced.

The application relates to the field of heat exchangers, and discloses an energy-saving marine plate heat exchanger which comprises a shock resistance assembly, an adjusting assembly, a toughness assembly, a heat exchange assembly, heat exchange plates and a dehumidification assembly. When the ship shakes, the track can slightly shift along with the rubber pad through the installation of the adjusting assembly and the toughness assembly; when the electric motor inside the runner starts, the twisted rope is wound or released under the rotating action of the runner, the elastic rod is deformed, the bending curvature of the elastic rod is changed, the compression amount of the spring is changed, the overall rigidity of the toughness assembly is adjusted, when the moving block moves along the track, the punching block is synchronously displaced through the rigid connection, the X-shaped intersection angle of the two elastic rods is changed, the pre-tightening force of the spring is adjusted, a soft-hard adjustable shock resistance support structure is realized, and the problems of damage and reduced heat exchange efficiency of the heat exchanger caused by shaking are solved.

The invention discloses a VOC treatment method in the process of producing a battery negative electrode material in a tunnel kiln, and belongs to the technical field of tunnel kiln VOC treatment. A VOC collection device is arranged in a heating section to capture high-concentration VOC waste gas; the waste gas is conveyed to the primary water spray tower and the secondary alkaline tower by a fan through a pipeline lined with a ceramic anti-corrosion layer; the first-stage water spray tower is used for removing large-particle dust and part of water-soluble organic matters and cooling to be less than or equal to 80 DEG C; a 5-10% NaOH solution is used for spraying in the second-stage alkaline washing tower to remove acid gas and tar substances; pretreated waste gas enters a catalytic combustion unit, after VOC concentration is diluted through an air mixing box, the waste gas is preheated through a plate heat exchanger, heated through a natural gas burner and decomposed in a catalyst fixed bed in sequence, high-temperature purified gas is exhausted after waste heat recovery, and the purified gas is guided into a chimney through an induced draft fan to be exhausted. Through the combined process of collecting, spraying and catalytic combustion, the total VOC removal rate of the process is greater than or equal to 98%.

The invention discloses an off-highway dump truck battery thermal management cooling system and method, and belongs to the technical field of off-highway dump truck battery thermal management. The system comprises a battery heat management unit, a water outlet pipe, a battery water inlet diverter, a plurality of battery water inlet branches, a plurality of battery water outlet branches, a battery water outlet diverter, a water return pipe, a temperature sensor, a controller and an expansion water tank, the battery heat management unit comprises an electronic water pump, an electromagnetic valve, a heat dissipation water tank, a fan, a compressor, a condenser, an expansion water valve, a plate heat exchanger and a PTC heater, and three main modes including a battery pack heating mode, a battery pack cooling mode and a battery pack natural air cooling mode are switched. The method is mainly used for temperature regulation and control of the off-highway dump truck battery pack, ensures that the battery is in a safe working temperature interval under different working conditions, and improves the battery performance and prolongs the service life.

The invention provides refrigeration equipment, a control method and a control device, and relates to the technical field of refrigeration control, and the control method is suitable for a refrigeration system with double refrigeration circuits and a cooling water heat exchange circuit. The refrigeration equipment comprises a first refrigeration loop, a second refrigeration loop and a first heat exchange loop. Based on the environment load signal, the start and stop states of the first compressor and the second compressor are dynamically controlled, and energy efficiency scheduling under different loads is achieved; the air suction and exhaust parameters and the liquid outlet temperature of each refrigerating circuit are collected, the superheat degree is calculated, the opening degree of an electronic expansion valve is adjusted, and stable liquid supply of an evaporator is ensured; meanwhile, the opening degree of an electric adjusting valve of each plate heat exchanger is controlled according to the exhaust temperature or pressure, and the condensate water flow is adjusted; and condensation control is further optimized in combination with liquid outlet temperature feedback. According to the method, efficient operation and condensation decoupling of the system under different load working conditions can be achieved, and the overall refrigeration performance and stability are improved.

The invention solves the problem that when a filter in an oil tank cooling system is replaced, oil flowing needs to be suspended, and relates to the field of oil tank cooling, in particular to a hydroelectric generator oil tank cooling system which comprises a cooling oil tank motor installed on an oil tank tank and used for circularly feeding oil into a generator, and a plate heat exchanger is installed at the top of the oil tank tank. An oil return pipe connected with the generator is arranged above the plate heat exchanger, a filter used for filtering oil liquid in the stage that the oil liquid in the oil return pipe is conveyed into the plate heat exchanger is installed on the oil tank, the filter comprises a support plate installed on the oil tank, and a flow dividing box in butt joint with the oil return pipe is installed on the support plate. Two filtering assemblies are installed at the bottom of the flow dividing box, and a plugging assembly used for guiding backflow oil liquid to flow into one filtering assembly is installed in the flow dividing box. The two filter assemblies are alternately used, replacement and cleaning are facilitated, and meanwhile the system can work uninterruptedly.

The invention is suitable for the technical field of carbon emission monitoring and carbon footprint accounting, and provides a multi-source emission data-oriented carbon footprint dynamic accounting system, which comprises a data acquisition module, a compensation energy consumption index generation module, an abnormal temperature fluctuation identification module and a correction coefficient generation module, the sample selection module is used for acquiring initial carbon factor parameters when a target factory processes a current dairy product under the condition that the plate heat exchanger with the improved structure is adopted, extracting historical processing data of the target factory, and selecting a plurality of processing samples corresponding to the current dairy product and based on the process condition of the plate heat exchanger before improvement from the historical processing data. According to the method, a carbon factor dynamic correction mechanism based on the heat sealing section temperature fluctuation behavior is constructed, and the traditional static accounting mode that expected efficiency is improved only according to the structure of the plate heat exchanger, and carbon factor parameters are directly set is broken through.

The invention discloses a plate heat exchanger weld creep damage assessment method, system and equipment and a medium, and relates to the technical field of industrial equipment nondestructive testing. The method comprises the following steps: acquiring an infrared thermal image and equipment monitoring data of a welding seam area; preprocessing the infrared thermal image, marking a damage state according to the preprocessed image and equipment monitoring data, and constructing a training sample set; constructing an improved convolutional neural network, performing parameter iterative optimization on the improved convolutional neural network by using the training sample set, and determining the trained network as a damage assessment model; and evaluating real-time monitoring data by using the damage evaluation model, and visually displaying an evaluation result. Through non-contact thermal image acquisition and intelligent algorithm analysis, an internal correlation between a macroscopic temperature field and material microscopic damage is established, and finally real-time, accurate and quantitative evaluation of the creep damage of the welding seam of the in-service plate heat exchanger is realized.

The invention relates to the technical field of heating, in particular to a heating system based on waste heat recovery of a generator set, which comprises a waste heat collection unit comprising a plate heat exchanger and a cooling tower which are connected in parallel on a condenser circulating pipeline of the generator set, and a switching valve group is arranged between the plate heat exchanger and the cooling tower; the underground energy storage unit comprises a first mining and recharging well and a second mining and recharging well which are connected with the plate heat exchanger through a heat exchange pipeline, and the bottoms of the first mining and recharging well and the second mining and recharging well are thermally coupled through a high-heat-conduction filling layer; the heat pump unit comprises a lithium bromide absorption heat pump, and a low-temperature heat source inlet of the lithium bromide absorption heat pump is connected with an outlet of the plate heat exchanger and a water pumping pipeline of the first mining and recharging well in parallel. Compared with the prior art, the system has the advantages that the underground energy storage unit and the switching valve group are arranged to operate cooperatively and work cooperatively, heat supply safety is guaranteed, meanwhile, overground and underground integrated waste heat regulation, storage, release and control are achieved, and the stability, the regulation capacity and the energy comprehensive utilization efficiency of the system are improved.