35 results about "Ventilation volume" patented technology

The application provides a kiln ventilation regulation device, comprising: a ventilation pipe; a protection shell is fixedly installed on the surface of the ventilation pipe, a connecting shell is fixedly installed on one side of the protection shell, a supporting plate is fixedly installed in the inner cavity of the ventilation pipe, a supporting rod is fixedly installed on the top of the supporting plate, and a supporting disc is fixedly installed on the top of the supporting rod. Through the design of the regulation assembly, the regulation assembly adopts a worm, a worm wheel, a rotating gear and an adjusting disc transmission structure, worm and worm wheel transmission improves stability, the rotating gear and the teeth can realize precise adjustment of the angle of the adjusting fan blade, the ventilation volume control error is reduced, the precision is improved compared with traditional manual adjustment, multiple adjusting fan blades are linked through adjusting rods and adjusting discs, the ventilation pipe inner cavity ventilation cross-sectional area can be changed synchronously, the airflow deflection problem of traditional single baffle adjustment is avoided, the kiln working condition rapid change demand is adapted, a sealing strip is arranged on the top of the adjusting fan blade, and heat loss caused by traditional baffle gap air leakage is avoided.

This invention discloses an adaptive cross-section flexible ventilation duct and method. Currently, ventilation ducts used in tunnel construction are mostly in regular geometric cross-sections such as circles and rectangles. This invention, located within a ventilation duct area on one side of the tunnel roof, includes a flexible duct. The cross-section of the flexible duct is a closed area formed by its lower, right, and upper boundaries. Airbags are provided on the outer surfaces of the lower and right boundaries. Each airbag includes multiple spaced longitudinal and transverse airbags. The longitudinal airbags are positioned along the tunnel length, and the transverse airbags are perpendicular to the longitudinal airbags. The two ends of each transverse airbag are connected to two adjacent longitudinal airbags. This invention employs an adaptive shape structure. During ventilation, the boundary of the flexible duct coincides with the area where the duct can be installed, maximizing space utilization, creating a larger ventilation area, thereby achieving a larger ventilation volume, and ultimately achieving a longer ventilation distance than circular ventilation ducts.

This utility model relates to the field of mine ventilation equipment technology, specifically to an improved adjustable filter window for mine ventilation safety. It includes a duct body and an adjustment connection unit. The adjustment connection unit includes multiple fan blades, multiple connecting shafts, multiple connecting plates, a movable frame, a track plate, a drive component, a filter assembly, and an installation assembly. In use, the duct body is inserted into the mine's air intake pipe and fixed using the installation assembly. To increase the airflow of the duct body, the drive component is activated, causing the movable frame to move backward within the track plate. During this process, the movable frame, in conjunction with the strip groove, pulls the connecting plate to rotate, causing the fan blades below the connecting shaft to open, increasing the airflow intake area. To reduce the airflow of the duct body, simply move the movable frame in the opposite direction, closing the fan blades and reducing the airflow intake area. This method allows workers to flexibly adjust the ventilation volume according to actual ventilation needs, effectively improving ease of use.

The utility model discloses a high -efficient heat dissipation type intelligent low -voltage complete switchgear, including the cabinet body and the base of installing at the bottom of cabinet body, be equipped with heat abstractor in the cabinet body upper end, and the cabinet body upper end is equipped with ventilation mechanism, and heat abstractor includes fixed frame, drive motor, drive shaft, swing frame, rotation axis, a plurality of heat dissipation fan blade, a group of round bar, sliding block, push frame, transmission shaft and rotating rod, and ventilation mechanism includes ring cylinder, a plurality of pivot, a plurality of ventilation fan blade, a plurality of connecting plate, annular slide rail and rotating ring, the utility model has the advantages that through being equipped with heat abstractor in the cabinet body upper end, can swing reciprocating through push frame and push swing frame simultaneously when driving motor drives a plurality of heat dissipation fan blade to rotate heat dissipation, thereby makes a plurality of heat dissipation fan blade swing and blows, and the switchgear in the cabinet is more uniform in heat dissipation, and ventilation mechanism can be according to the temperature in the cabinet body, and the size of ventilation volume is automatically regulated through a plurality of ventilation fan blade, and convenient to use.

The utility model provides a kind of air quality detection equipment for metal smelting environment evaluation, comprising: box;Driving assembly, the driving assembly includes drive motor, the drive motor is suspended in the box inside.The air quality detection equipment for metal smelting environment evaluation provided by the utility model is mutually matched by ventilation pipe, fan, first gas pipe, second gas pipe, shunt component, driving assembly and filter component etc. structure, when using, left and right sides ventilation hood alternate work, cooperate filter screen, both can continuously collect air sample to detect, and when ventilation hood switches working state, utilize airflow to carry out automatic cleaning to filter screen, avoid the problem that filter screen is jammed due to dust accumulation and influence ventilation volume and detection accuracy, improve the detection accuracy of detection equipment;And this automatic cleaning filter screen design reduces the working frequency that staff regularly cleans filter screen, reduces the labor intensity and maintenance cost of staff.

The application discloses a ventilation volume adjusting device and a use method thereof, which comprises an equipment assembly, a pipeline and an auxiliary mechanism, the equipment assembly is sleeved and assembled on the outer wall of the upper side of the pipeline, a motor is assembled in the equipment assembly, a central shaft is radially penetrated in the pipeline, a regulating plate is assembled on the side wall of the central shaft, a wind speed sensor is assembled on the inner wall of the pipeline, two wind speed sensors are respectively located on the two sides of the regulating plate, and the use method for adjusting the air volume and replacing the motor is disclosed, the equipment assembly is designed, the rotating disc in the equipment assembly can drive the screw rod to rotate, the motor can be taken out after being driven by the rack, and vice versa, the motor can be conveniently put into use, the motor is arranged in the interior of the equipment by the method, the motor is protected, when the motor has a problem, the motor can be conveniently replaced and maintained, and the technical problem that the internal space of the equipment is small and the maintenance difficulty of the staff is increased is avoided.

This invention discloses a substation ventilation noise reduction design method based on deep reinforcement learning, specifically relating to the field of environmental noise control in power substations. It addresses the technical problem that the increased ventilation resistance after the stacking of silencing components forces the fan to deteriorate, leading to increased noise and making it difficult to simultaneously meet heat dissipation and noise reduction requirements. The method determines the required ventilation volume through thermal balance calculations, calculates the total system resistance and matches the fan operating point, further calculates the resistance distribution entropy and peak surface velocity, and inputs these values ​​into a probabilistic regression model with monotonic constraints. The model outputs the probability value of increased noise to screen candidate combinations. Then, under ventilation and risk constraints, deep reinforcement learning is used to collaboratively optimize the opening location, component combination, and channel parameters, outputting the ventilation and silencing arrangement. Finally, the method solidifies the construction and operation parameters through fluid and acoustic studies, thereby improving the controllability and consistency of the solution and reducing repeated on-site adjustments.

The utility model discloses an adjustable angle ventilation mechanism of car middle net relates to car middle net technical field, the utility model discloses an adjustable angle ventilation mechanism of car middle net, the outer wall of car middle net is connected with the frame of sliding, the inner wall of car middle net is provided with adjusting mechanism, the adjusting mechanism includes a plurality of rotating shaft, the outer wall of a plurality of rotating shaft all is fixedly connected with the baffle, a plurality of rotating shafts away from the outer wall of baffle one end all are fixedly connected with the connecting rod, the utility model discloses the baffle on the rotating shaft is provided, when the equipment needs to use, if the ventilation angle or ventilation volume of car middle net needs to be adjusted, can be through the remote start electric telescopic rod of external setting, and the electric telescopic rod elongation can push the connecting block and make it drive the limit shaft two sides away from the electric telescopic rod movement, has reached the ventilation volume and ventilation angle of car middle net for the user to adjust conveniently, has improved use convenience and mechanism practicality greatly.

The utility model discloses a respirator convenient to flow monitoring, including air bag main part, air bag main part one end is provided with flow monitoring mechanism, air bag main part's top fixedly connected with check valve, check valve one end is provided with fixed establishment, flow monitoring mechanism includes, flow sensor, flow sensor sets up air bag main part one end, U -shaped pipe, U -shaped pipe intercommunication is connected in the surface of air bag main part, air spring, the utility model discloses simple structure, reasonable in design, avoid the air pressure to be too big, thereby to the lung of patient causes harm, and further help medical staff to ensure that the ventilation provided by device meets the demand of patient, and fixed establishment includes face guard, silica gel pad, air bag pipe and flannelette, can effectively prevent the bacteria, virus etc. in air from entering the airway of patient, reduce the risk of infection, and also convenient for the patient of different head circumference to adapt to use face guard, avoid too tight and hold the patient of head circumference bigger.

This application discloses a multi-channel gas flow control device, employing a multi-unit integrated multi-gas ventilation system control device. Multiple gas inlet ports are connected to the inlet ports on the front face of the mixing gas channel module. Gas, distributed through the distribution channel, flows to each mass flow control unit within the module. After being proportionally adjusted and distributed as needed, the gas enters the internal cavity at the rear end of the mixing gas channel module, and then flows through the longitudinal flow channel outlet of the cavity to the electromagnetic self-control module at the rear end. This device has fewer wiring and piping points, high integration, and short system response time, providing users with superior performance. This invention uses a multi-unit integrated modular system for precise distribution and control of the ventilation volume of multiple gases, effectively solving a series of problems associated with existing single gas flow meter stacking combinations, such as large volume, significant accuracy errors, complex and difficult-to-control wiring points, and susceptibility to leakage.

The application relates to the air purification technical field, in particular to a multi-parameter self-adaptive adjusting method and system of an active carbon purification device special for a mother-infant room, multi-modal data are collected, image and audio features are extracted, data frames are generated and periodically reported to the cloud; the cloud identifies human activity modes through a composite neural network and sets a purification constraint condition library; for a multi-layer active carbon filter core with adjustable layers, a purification efficiency model is constructed, and the optimal combination strategy of fan rotating speed and filter screen stacking layer number is obtained by intelligent optimization in combination with constraints such as noise, particulate matter concentration and ventilation volume; the filter screen is adjusted by a stepping motor and the fan is driven in linkage; the cloud performs correlation analysis based on execution results and control strategies, online identifies and calibrates model parameters, and optimizes subsequent control effects in a closed loop. The method realizes the balance of low noise, low particulate matter and appropriate ventilation, responds to sensitive needs of a mother-infant scene, and improves purification efficiency and comfort.

The utility model discloses a novel oil screen, including U -shaped groove net and the wave -shaped inner net of pressure setting in the back side of U -shaped groove net, the U -shaped groove net is by main layer body and sets up the U -shaped groove of U -shaped groove back side surface, the wave -shaped inner net places in the inside of the U -shaped groove, the front side of main layer body is equipped with a plurality of outer mesh holes, the outer groove of U -shaped groove is connected with the back side of baffle bar, the wave -shaped inner net's air inlet side wave -shaped groove with the outer mesh hole number is same, air inlet side wave -shaped groove is opposite the outer mesh hole setting, air inlet side wave -shaped groove's both sides convex along with the groove wall of U -shaped groove contact together. Advantageous effect lies in: through the wave -shaped design cooperation U -shaped groove net of inner net, both guarantee the ventilation volume, also reduce the oil leakage phenomenon, and U -shaped groove net and wave -shaped inner net are through the assembly combination, and each can be individually sprayed, reduce the dead angle, improve the anticorrosive performance, the design of bending line, reduce the damage to the structure, and the convenient pressure joint and dismounting.

This invention discloses a dynamic ergonomic optimization method and system based on multimodal sensing and biofeedback. The dynamic ergonomic optimization system based on multimodal sensing and biofeedback includes: a multimodal sensing module integrating a pressure sensor, an electromyography (EMG) sensor, and an environmental temperature and humidity sensor. The pressure sensor is suitable for real-time acquisition of head pressure distribution data of the target object. This application uses the multimodal sensing module to collect head pressure distribution data, neck muscle electrophysiological signals, and environmental temperature and humidity parameters in real time. Combined with the quantitative identification of fatigue state by the biofeedback module, the optimization decision module dynamically generates structural parameter adjustment instructions, so that parameters such as ventilation volume, padding hardness, and wearing tightness of the equipment adapt in real time to changes in physiological state and environment. This effectively alleviates muscle fatigue and discomfort after prolonged wear, and significantly improves the operational safety and sustainability of pilots, astronauts, and other long-term workers.

The application discloses a sleep system and method based on internet communication, and particularly relates to the field of smart home and health monitoring, which is used to solve the problems of sleep microenvironment regulation lag and physical intervention easily inducing micro-awakening. First, based on multi-source sensing, heart-lung waveform and temperature and humidity data are acquired, and microclimate sweat index is calculated to accurately lock physiological heat dissipation demand. Then, when the sweat threshold is met, the time domain tracking of the respiratory envelope is carried out, the next expiration trough and time window are extrapolated, and the intervention time is limited to the feeling gate delay period. Through dynamic calculation of pure network time consumption and motor pressure building time consumption, the predicted time point is reversely compensated on the time axis to generate an advance trigger time stamp, and the system response time difference is smoothed. Finally, the ventilation volume is equivalent to discrete single pulse air volume, the driving control node only outputs airflow in the expiration time window, the dehumidification action is hidden in the natural expiration stage, and a non-inductive closed-loop intervention system is constructed, thereby providing scientific support for sleep health management.

This invention discloses a modular metering box, comprising a box body serving as structural support, a main power switch and an energy meter connected to the main power switch inside the box body; the box body is equipped with a ventilation structure and an opening adjustment mechanism. The ventilation structure connects the interior and exterior of the box body, and the opening adjustment mechanism adjusts the opening of the ventilation structure and closes it in the event of a fire. The ventilation structure of this modular metering box, equipped with an opening adjustment mechanism, allows for adjustment of its opening, thereby regulating the ventilation volume. Furthermore, the opening adjustment mechanism is designed to close the ventilation structure in the event of a fire. In the event of a fire, the closure of the ventilation structure prevents or reduces the amount of air entering the box body, thus preventing the spread of fire inside the box body and effectively controlling the fire.

This invention discloses a total heat exchange core and a fresh air unit, comprising multiple air inlet channels arranged in one direction and multiple air outlet channels arranged in another direction. The airflow directions of the air inlet channels and the air outlet channels intersect, and a water-permeable membrane separates the air inlet channels and the ventilation volume of the air inlet channels decreases sequentially along the exhaust direction. This invention, by sequentially decreasing the ventilation volume of the air inlet channels along the exhaust direction, increases the ventilation flow of the air inlet channels in contact with the air inlets of the exhaust channels and decreases the ventilation flow of the air inlet channels in contact with the air outlets of the exhaust channels. This results in a larger ventilation flow for channels with high heat exchange capacity, and different flow rates for air inlet channels at different locations, thus matching the flow rate with the heat exchange capacity, improving heat exchange efficiency, and preventing condensation and frost formation at the air outlet side of the exhaust channels when the outdoor temperature is low.

The utility model provides a new -type tunnel fan, including fan, the fan is connected by a plurality of wind joints head to tail, the outer surface of wind joint is fixedly connected with the outer edge. The utility model has the advantages of: adopting the design of new -type support, is composed of first branch piece, connecting plate, second branch piece and filling plate, first branch piece, second branch piece are all even stainless steel sheet, the wind area is very small, the wind surface design of first branch piece, second branch piece is the streamline surface, the excessive place of second branch piece, first branch piece is handled smoothly, can make air more smoothly when flowing through the support, reduces the eddy current because shape mutation produces. Streamlined design can effectively reduce the wind resistance, improve ventilation efficiency, the design of filling plate, fills the gap groove between connecting plate, can reduce the collision and separation of air on the support, thereby reduces eddy current and backflow, the fan of this new design can improve ventilation volume to the greatest extent, reduce wind resistance, and improve ventilation efficiency.

This invention relates to the technical field of intensive tobacco curing equipment, specifically to an auxiliary ventilation device and control method for reducing the temperature and humidity difference in intensive curing barns. It solves the problem of large vertical temperature and humidity differences in intensive curing barns. The auxiliary ventilation device includes a hot air extraction component and a distribution duct. The distribution duct is located in the tobacco loading chamber of the curing barn, while the hot air extraction component is located in the heating chamber. The hot air extraction component is equipped with a heating element. The distribution duct is connected to the hot air extraction component and has at least one ventilation volume adjustment component. A temperature and humidity monitoring component is located in the tobacco loading chamber. The hot air extraction component, hot air heating component, ventilation volume adjustment component, and temperature and humidity monitoring component are all connected to a controller. The beneficial effect is that by setting up the heating component and the ventilation volume adjustment component, the controller adjusts the hot air temperature of the distribution duct and the ventilation volume of different sections of the distribution duct based on the vertical temperature difference and the lower horizontal temperature difference detected by the temperature and humidity monitoring component, thereby reducing the temperature and humidity differences in both the vertical and lower horizontal directions.

The application discloses a variable-volume partition wind-bin type ventilation method and system suitable for a plateau drill-and-blast tunnel, wherein effective volumes of wind bins or sub wind bins are determined by acquiring parameters such as tunneling length and vertical positions of partitions; the vertical movement of the partitions is controlled to realize adaptive matching of the effective volumes of the wind bins with the tunneling length; a layered lateral telescopic sealing assembly is used to adhere to a tunnel section and to adjust air leakage in a closed loop; the inside of the wind bin is divided into at least two sub wind bins according to a blasting organization mode, and on-off states are set; after blasting, data such as CO concentration are collected, and a ventilation volume set value is generated and corrected based on a ventilation demand and a pollutant concentration change model; smoke exhaust and air supply are implemented in different zones, and after reaching the standard, the system is switched to an economic operation mode, and when an index rebounds and exceeds a limit, the ventilation volume is increased or the on-off state of the sub wind bin is adjusted. The application can realize adaptive adjustment, accurate sealing and zoned ventilation volume adjustment of the volumes of the wind bins and the tunneling length, reduce energy consumption, ensure rapid standard reaching and energy-saving operation under complex working conditions, and has strong adaptability.

This application relates to the field of container house technology and discloses a ventilation structure for energy-saving container houses, including an installation frame. A guide hood is fixedly connected to one outer wall of the installation frame, and an installation ring is fixedly connected to the outer wall of the guide hood opposite to the installation frame. A ventilation fan is fixedly installed on the outer wall of the installation ring opposite to the guide hood. A guide mechanism for adjusting the airflow direction is installed inside the installation frame, and an airflow control mechanism for controlling the air volume is installed on the outer wall of the installation ring. In this utility model, a guide mechanism and an airflow control mechanism are provided. The guide mechanism can flexibly adjust the ventilation direction to avoid discomfort caused by direct airflow, while ensuring that the air can be evenly distributed to all corners of the container house. The airflow control mechanism can accurately adjust the ventilation volume and quickly introduce a large amount of fresh air according to actual needs, achieving efficient air renewal in the container house, effectively solving the problem of poor indoor air circulation, and significantly improving the comfort of the living or working environment.

The present application relates to air conditioning technology field, specifically relates to a kind of plateau building pressure swing adsorption oxygen supply-air conditioning linkage energy-saving control system.The system utilizes oxygen and carbon dioxide mass balance equation set to solve metabolic decoupling ventilation volume;Analysis of the interrelation between air pressure fluctuation and oxygen concentration, determine wind-induced leakage weighting factor;Metabolic decoupling ventilation volume and wind-induced leakage weighting factor are fused, and oxygen loss cost index is obtained;Based on oxygen loss cost index, new air valve opening is dynamically adjusted, and new air valve control instruction is sent;Based on new air valve control instruction, oxygen supply equipment power is adjusted.The present application realizes the dynamic adjustment of new air valve opening and oxygen supply equipment power according to outdoor flow field characteristics, and avoids the problem of resource waste during ventilation.

The utility model provides a kind of enhanced heat dissipation device, including lathe main body, the one side of lathe main body is fixedly installed with heat dissipation frame, the heat dissipation frame opening place slidingly cooperated with two maintenance doors of oppositely arranged, the two sides of heat dissipation frame are all set with the heat dissipation groove being connected with its inner cavity, the adjusting assembly that is cooperated with maintenance door is all set in two sides heat dissipation groove, the heat dissipation frame is detachably installed with multiple radiator groups, the one side of each radiator group is fixedly installed with heat dissipation fan. Through the linkage structure of maintenance door and adjusting assembly, the flexible switching of grating plate in ventilation state and cleaning state is realized, keep ventilation gap when closing to guarantee heat dissipation, when opening, rotate to vertical plane to form flat clean surface, solve the problem that traditional fixed grating inside soot is difficult to clean, reduce the ventilation volume drop caused by soot, maintain long-term stable heat dissipation efficiency.

The application discloses a tunnel oxygen supply control method based on multi-parameter coordination, and relates to the technical field of tunnel construction, which comprises the following steps: constructing a multi-source environment monitoring data set, training a target ventilation volume prediction model based on the data set and fusing a high-altitude correction coefficient, and outputting an initial target ventilation volume and oxygen supply parameters; generating a pre-adjustment instruction based on the initial target ventilation volume and the oxygen supply parameters, simulating an instruction execution process through a digital twin virtual simulation model, and outputting oxygen content distribution, wind pressure loss and energy consumption of each block of the tunnel oxygen supply evaluation parameters; constructing a tunnel oxygen supply evaluation model, comparing the simulation obtained oxygen supply evaluation parameters with a safety threshold; and executing a formal adjustment instruction. Through multi-dimensional sensing management, high-altitude adaptive calculation, digital twin simulation verification, multi-scenario parameter optimization, multi-device collaborative linkage and model dynamic evolution technology, the application realizes the breakthrough of tunnel oxygen supply from static experience control to dynamic precise intelligent regulation and control.

The utility model discloses an electric hydraulic remote control's downhole air door, including door frame and door leaf, be provided with air pressure and air volume monitor and lift adjustment window on the door leaf, still include electrical control system, air pressure and air volume monitor and lift adjustment window all are connected with electrical control system electricity. Adopt the downhole air door of the application, has realized the intelligent automatic regulation of ventilation volume, has reduced the maintenance cost caused by adjustment at the same time.

The utility model discloses an industrial plant safety energy -conserving mixed ventilation device belongs to plant ventilation device field, including ventilation pipeline main part, the lower extreme fixed mounting of ventilation pipeline main part has rotary base, the rotary base is fixedly installed on the plant, the lower extreme fixed mounting of rotary base has the fan guard shield, the fan guard shield is fixedly installed and has the ventilation fan, the output shaft fixed mounting of ventilation fan has the ventilation vane, through the main body ventilation structure that ventilation pipeline main part, rotary base, fan guard shield, ventilation fan, ventilation vane constitute, collocation closed assembly and adjusting assembly, can accurate control ventilation start -stop, ventilation volume size and ventilation direction, and closed assembly can adjust the opening -closing angle of multiple sets of second pivot flexibly, as needed control airflow enters, and adjusting assembly can realize the steering adjustment of ventilation pipeline main part relative rotary base, can be in the natural ventilation situation according to the wind direction flow and carry out the sleeve joint.

This invention relates to the technical field of tobacco leaf drying, and discloses a ventilation device for a tobacco leaf drying room and its usage method. The device includes a ventilation frame assembly, a multi-stage linkage adjustment assembly, a local airflow compensation assembly, and a precision mechanical drive assembly. The ventilation frame assembly consists of a rectangular frame and internal supporting beams. The multi-stage linkage adjustment assembly is installed inside the ventilation frame assembly and includes multiple sets of main adjustment blades, a rotating shaft, a synchronous connecting rod, and a rotating sleeve. The main adjustment blades are movably connected to the rectangular frame via the rotating shaft and are synchronously driven to deflect by the synchronous connecting rod. The local airflow compensation assembly includes secondary deflection blades located in the main adjustment blade receiving grooves, a damping pivot shaft, and an array of distributed airflow guiding protrusions. The precision mechanical drive assembly includes a manual rotating disk, a threaded screw, and a reciprocating slider. This application can precisely adjust the ventilation volume and compensate for airflow in local dead zones.

This utility model relates to the field of boiler technology, specifically a boiler flue connection structure with self-adjusting ventilation volume. It includes a boiler flue pipe with a first pressure sensor installed on its inner wall. The boiler flue pipe is connected to a flue pipe via a self-adjusting ventilation assembly. The flue pipe has a second pressure sensor, a temperature sensor, and a flow sensor installed on its inner wall. The self-adjusting ventilation assembly includes a rectangular housing with a rectangular movable plate fitted inside. A vertical slot for the movable plate to pass through is provided on the rear side of the rectangular housing. A connecting plate is provided on the rear side of the movable plate. L-shaped mounting seats are provided on both the upper and lower sides of the rectangular housing, and electric cylinders are installed on both L-shaped mounting seats. The movable rods of both electric cylinders are fixedly connected to the front side of the connecting plate. This self-adjusting ventilation volume boiler flue connection structure dynamically adjusts the flue cross-sectional area through the rectangular movable plate, enabling real-time response to boiler load changes and solving the problem of non-adjustable ventilation volume in traditional fixed flue systems.

This invention belongs to the field of operation and maintenance technology of molten salt tanks in new energy solar thermal power plants. It discloses an optimization device and method for the ventilation system of the tank foundation based on genetic optimization, including a finite volume method temperature field simulation subsystem, an actual temperature monitoring device subsystem, and a genetic algorithm optimization subsystem. The simulation subsystem is used to establish a three-dimensional model of the tank foundation and obtain the functional relationship between the ventilation volume of each ventilation duct and the surface temperature of the upper concrete through numerical simulation. The monitoring subsystem collects temperature data in real time through thermocouples embedded above each ventilation duct and issues alarms for abnormalities. The optimization subsystem aims to minimize the temperature variance, combining constraints such as constant total ventilation volume, single-duct ventilation volume range, and temperature limits, and uses a genetic algorithm to optimize the ventilation volume allocation, feeding the optimization results back to the ventilation control system. This invention achieves real-time monitoring and intelligent optimization control of the tank foundation temperature, effectively reducing temperature non-uniformity and improving equipment operation safety and economy.

The utility model relates to a kind of upper suction polishing machine of honeycomb type distribution ventilation hole main shaft. It includes rack (1), polishing chamber (2) is fixed on rack (1), motor (3) is fixed in the side of rack (1), the top of rack (1) is fixed with feeding device (5) and upper suction cover (4), the lower part of rack (1) is equipped with selenium discharge device (7), polishing shaft (6) is contained in polishing chamber (2), it is characterized by: the polishing shaft (6) is evenly distributed with ventilation hole (8) in six directions along radial direction;Ventilation hole (8) is arranged in triangle along axial direction direction.The utility model optimizes the arrangement of ventilation hole on the main shaft of polishing machine, adopts honeycomb type distribution ventilation hole mode, it is large in ventilation volume, air intake and water intake are uniform, so that the atomization effect of polishing chamber is greatly improved, so as to improve the polishing effect of polishing machine.

The utility model discloses a ventilation device of adjustable ventilation quantity, include: ventilation subassembly, install in fan front end, set up ventilation pipe, filter screen and flange connecting piece on ventilation subassembly, one end of ventilation pipe is detachably connected with flange connecting piece, and the other end is connected with filter screen, connecting plate is installed in the outside of one end of ventilation pipe close to filter screen, and connecting plate is detachably connected with ventilation pipe, the air outlet plate is installed in one end of connecting plate away from ventilation subassembly, and a plurality of sets of adjusting assembly are arranged between the air outlet plate and ventilation pipe, and the distance is adjusted by adjusting assembly, and a plurality of sets of adjusting assembly are annular distribution, and adjusting assembly is composed of adjusting rod and air cylinder, and adjusting rod passes through connecting plate installation, and one end of adjusting rod is connected with air cylinder, and the other end is connected with air outlet plate, the controller of external, with air cylinder is connected, and the start and stop of air cylinder are controlled. The problem of ventilation quantity adjustment has been solved.