27977results about "Drying solid materials" patented technology

The invention relates to the technical field of drying equipment, in particular to clothing cloth drying equipment. The clothing cloth drying equipment comprises a box body, a discharging shaft for discharging cloths, a drying module, an ironing module, an air-drying module, a rolling shaft for rolling the cloths and a controller. The top of the left side of the box body is provided with a storinghole for storing the cloths, a damping piece mounted at the bottom of the box body is arranged under the storing hole, and the discharging shaft is vertically mounted on the damping piece. The dryingmodule is used for drying the cloths, the ironing module is used for ironing the cloths, and the air-drying module is used for air-drying the ironed cloths. The rolling shaft is located on the rightside of the air-drying module, a material taking hole for taking out the cloths is formed in the top of the box body over the rolling shaft, the rolling shaft is driven through a rolling motor, and the rolling motor is electrically connected with the controller. The clothing cloth drying equipment is mainly suitable for being used in a clothing manufacturing shop and has the characteristics that the size is small, the weight is small, the price is low, and energy consumption is little.

The invention relates to the technical field of drying process control, in particular to a medicinal material drying process control method and system for traditional Chinese medicinal material processing, and the method comprises the following steps: calling a temperature set value, a humidity discharge rate and heating power based on the operation condition of a drying chamber, and analyzing the difference value between the medicinal material moisture content and the target moisture content; combining the medicinal material density with the water content change rate, matching the coupling relationship between the humidity discharge rate and the heating power, and establishing an initial drying process control value; according to the method, through collaborative analysis of the temperature set value, the humidity discharge rate and the heating power, accurate matching of initial drying conditions and material characteristics is achieved, excessive drying is avoided, linkage of the air speed and the humidity discharge rate is optimized, humidity distribution uniformity and environmental stability are improved, the evaporation rate is dynamically matched, and the drying efficiency is improved. Drying uniformity and quality stability are improved, termination control parameters are optimized in real time, drying time is shortened, energy consumption is reduced, and active ingredients and physical characteristics of medicinal materials are reserved to the maximum extent.

The invention relates to the field of grain drying, and discloses a grain drying energy-saving control system based on intelligent optimization, which comprises the following steps: after warehousing grains are detected, judging whether the water content of the grains exceeds a preset safety threshold value or not by collecting the initial water content of the grains and environment temperature and humidity information; according to the grain moisture content, the grain size distribution and the current environment condition, a multi-section type moisture change trend model fitting the drying process is constructed, and the decrease rate of the grain moisture content and the drying curve form in the future stage are predicted; analyzing the deviation value between the water content change slope and the target drying rate in the prediction curve; judging whether an adjustment potential exists or not by modeling a response relationship among the current hot air temperature, wind speed, heat source power and water content change; and according to the heat energy use analysis result, control instructions of hot air temperature, air speed and air supply modes are automatically generated. The self-adaptive energy-saving grain dryer has the advantage that the self-adaptive capacity and the energy-saving effect in the grain drying process are improved.

The invention relates to the technical field of process adjustment, in particular to an automatic adjustment method and system for the drying process of traditional Chinese medicinal materials, and the method comprises the following steps: monitoring the moisture evaporation condition of the traditional Chinese medicinal materials in the drying process in real time through a weight sensor, calculating the moisture evaporation speed of the traditional Chinese medicinal materials; and analyzing the relationship between the moisture evaporation speed and the environmental condition, dynamically adjusting the temperature and humidity condition to match the moisture evaporation speed requirement, and generating dry environment basic data. According to the method, the moisture evaporation rate and temperature and humidity conditions are monitored in real time, the drying environment is dynamically adjusted, uniform removal of moisture is ensured, heat and humidity distribution analysis is combined, the temperature and humidity in the drying chamber can be accurately adjusted, uneven local drying is avoided, the moisture evaporation rate and temperature and humidity changes in the drying process are dynamically adjusted and optimized, and the drying efficiency is improved. And the risk of excessive drying or moisture residue is avoided, control parameters are adjusted according to the difference between water evaporation and the target drying process, and the drying effect stability is improved.

The invention relates to the technical field of drying temperature control, in particular to a temperature self-adaptive control system and method applied to drying of traditional Chinese medicinal materials, and the system comprises a humidity gradient monitoring module, a heat-humidity ratio regulation and control module, an evaporation latent heat calculation module, an energy supply matching module and an air quantity balance optimization module. According to the device, the humidity gradient in the cavity is monitored and analyzed in real time, the humidity condition is accurately adjusted, dynamic humidity control is achieved, the accuracy of the drying process is enhanced, the energy utilization efficiency is optimized through dynamic adjustment of the heat-humidity ratio and cooperation of the water evaporation characteristic, energy consumption is reduced, the influence of water vapor partial pressure is considered for latent heat compensation, and the drying efficiency is improved. The matching degree of heat supply and demand is improved, the drying quality is ensured, energy supply matching and wind field balance optimization are combined with air flow direction data, the regional matching of wind speed and heating power is improved, uniform distribution of a drying medium is ensured, and the overall drying efficiency and uniformity are improved.

The present invention relates to the field of Internet of Things monitoring technology, specifically a Chinese herbal medicine drying monitoring system based on the Internet of Things, the system includes a gas component monitoring module, a density measurement and analysis module, a data anomaly correction module, a drying endpoint determination module, and a terminal data storage module. In the present invention, by acquiring gas concentration data within a fixed time window and analyzing the changing trend of the gas component ratio curve, the sensitivity to changes in the gas environment is improved, the density measurement adopts a multi-monitoring point method, the density change rate is calculated, and the gas component data is combined to form a multi-dimensional drying state analysis, reduce the impact of local errors on the overall judgment, detect abnormal fluctuations through trend consistency calculation, correct mutation data, prevent sudden measurement errors from interfering with the drying state determination, combine the gas component ratio change trend and the density change trend, adjust the drying endpoint determination basis, adapt to the drying characteristics of different batches of Chinese herbal medicines, and improve the accuracy of the drying endpoint determination.

The invention discloses an acquisition and processing system and method for dry data of a transformer, and relates to the technical field of data processing. Comprising the following steps: step 1, multi-source data real-time acquisition and edge preprocessing; 2, constructing a drying end point prediction model; 3, constructing a composite objective function, and solving the composite objective function by adopting a multi-objective evolutionary algorithm; 4, performing real-time correction and feedback; according to the method, key parameters in the drying treatment process are monitored in real time, an accurate drying end point prediction model is automatically constructed, heating and air exhaust curves are dynamically optimized according to the real-time working condition and the production strategy, and traditional manual blind judgment and static presetting are replaced; and meanwhile, the operation energy consumption is remarkably reduced, the optimal balance of the energy consumption and the production efficiency is realized through a multi-objective evolutionary algorithm and an online Kalman filtering correction closed loop mechanism, the drying quality and the equipment safety are improved, the energy cost is greatly saved, and the dual requirements of modern intelligent manufacturing for flexibility, energy conservation and consumption reduction are met.

The invention discloses an intelligent heating geogrid-based roadbed settlement and frozen soil plasticity prediction system, which comprises an intelligent heating geogrid, a data acquisition unit, an intelligent heating control unit, a moisture content calculation unit and an analysis prediction unit, the intelligent heating control unit performs starting control on the heating resistance wire according to a soil body temperature value collected by the optical fiber temperature sensor so as to heat the self-heating steel pipe, the self-heating steel pipe heats the soil body, and the moisture content calculation unit calculates the moisture content of the soil body according to a temperature rise value of the soil body in unit time. And the analysis and prediction unit predicts roadbed settlement and frozen soil plasticity according to the soil moisture content and the grating dependent variable. The self-heating steel pipe is installed on the grating body, the water content of the soil body is monitored in real time while the soil body is heated, the subgrade settlement state and the frozen soil plastic characteristics are accurately predicted according to the collected data, and therefore scientific support is provided for safety evaluation and maintenance of subgrade engineering.

The invention relates to the technical field of zinc oxide processing, and specifically discloses a zinc oxide powder crushing and drying device, comprising a drying cylinder and a sieve cylinder which are arranged concentrically, a discharging guide hopper being arranged at the lower end of the drying cylinder, a feeding cylinder being arranged inside the sieve cylinder along the central axis, an outer end of the feeding cylinder extending out of the drying cylinder being connected to a feeding hopper, an auger spiral blade being arranged inside the feeding cylinder, a feeding channel being arranged at the lower end of the feeding cylinder located in the sieve cylinder, a hot air jacket being arranged outside the feeding cylinder, a hot air source being connected to the outer end of the hot air jacket, hot air discharge holes being arranged on the hot air jacket located in the sieve cylinder, a plurality of material shifting plates being evenly arranged circumferentially on the inner wall of the sieve cylinder, steel balls being arranged in the sieve cylinder, and a magnetic strip being arranged on the inner wall of the drying cylinder; the zinc oxide powder crushing and drying device disclosed by the invention not only has both the crushing and drying functions, but also has excellent processing speed and processing effect on agglomerated zinc oxide.

The invention discloses an energy-saving control method and equipment for a lining cloth production workshop, and belongs to the field of energy-saving control, and the method comprises the steps: reading the attribute information of target lining cloth, and taking the attribute information as a constraint, and carrying out the retrieval to obtain a lining cloth drying record; carrying out drying characteristic analysis, and fitting to construct a lining cloth drying curve; determining an initial water content and a target drying curve; identifying a target drying production line, dividing a target drying curve based on the section number of a drying furnace, and determining a drying target; in order to meet the drying target, stage optimization of drying control parameters is executed, and an optimized drying scheme is generated through integration; and the drying operation of the target wet lining cloth is executed, the drying effect is monitored in real time, and real-time compensation of the drying operation is completed based on the predetermined deviation proofreading decision tree. Through multi-stage drying parameter optimization and introduction of a real-time monitoring and intelligent compensation mechanism, the technical effects of minimizing drying energy consumption and realizing energy-saving and efficient production while ensuring stable quality of a lining cloth product are achieved.

The invention discloses a temperature and humidity adaptive control system and method for drying flower traditional Chinese medicinal materials, and the system comprises a humidity gradient monitoring module which is used for deploying a 12-channel capacitive humidity sensor spiral array and a laser radar, generating a three-dimensional humidity field thermodynamic diagram in combination with a Kriging interpolation method, calculating a humidity gradient change rate in real time, and carrying out the early warning of local abnormality; the heat-humidity ratio regulation and control module is used for integrating humidity gradient monitoring data and a real-time result of the evaporation latent heat calculation module based on a fuzzy PID algorithm, dynamically adjusting the heating power and the rotating speed of a dehumidification fan, and meanwhile, integrating a PVDF piezoelectric film sensor to monitor petal stress; the evaporation latent heat calculation module is used for predicting a future evaporation rate by combining an LSTM neural network based on an edge calculation unit and providing key parameters for the energy supply matching module; the energy supply matching module is used for outputting a combined control instruction of the heating power and the air door opening degree; and the air volume balance optimization module is used for dynamically adjusting air volume distribution according to the humidity gradient monitoring data.

The present invention relates to the field of kelp processing technology, and solves the technical problems of low degree of automation, time-consuming and labor-intensive, high labor intensity, low efficiency and high cost of manual feeding in existing kelp drying devices, and provides a kelp intelligent drying device and intelligent drying method, which includes a drying chamber, a suspension device, a first follower-type clamp opening and closing driving device, an automatic feeding device and a platform, the suspension device is connected to the internal space of the drying chamber, the first follower-type clamp opening and closing driving device is connected to the feeding position of the suspension device, the automatic feeding device is close to the first follower-type clamp opening and closing driving device, and the platform is located at the first follower-type clamp opening and closing driving device. The present invention is widely used in drying kelp or other aquatic products, or in other drying processes with the same drying requirements.

The invention relates to the technical field of plastic modification recovery, and discloses a waste plastic modification recovery pretreatment device which comprises a treatment bin, a crushing part arranged at the top of the treatment bin and used for crushing plastic, and a stirring part arranged in an inner cavity of the treatment bin and used for mixing plastic fragments. The drying component is arranged in an inner cavity of the treatment bin and used for drying the plastic fragments, and the discharging component is arranged at the bottom of the treatment bin. According to the waste plastic modification, recovery and pretreatment device, through mutual cooperation of the crushing part and the drying part in the treatment bin, the steps of crushing, cleaning, drying and modification treatment can be integrated together, then the continuous and automatic treatment process can be achieved, the transfer and waiting time of materials between different devices is shortened, and the production efficiency is improved. The treatment efficiency can be remarkably improved, and meanwhile, the efficient treatment mode is beneficial for increasing the recycling speed of the waste plastic, so that the waste plastic is converted into valuable resources more quickly.

The invention discloses an energy-saving control method and system for drying equipment, relates to the technical field of energy saving, and aims to remarkably improve the drying efficiency and reduce the energy consumption by accurately controlling heat flow transfer and optimizing the heating process. Comprising the steps of firstly obtaining material parameters and establishing a heat flow simulation model; the power of a heating source is controlled through a multi-layer heat transfer adjusting mechanism, and it is ensured that each layer of material reaches the preset heat transfer condition in the whole drying process; dynamically adjusting heating source power and airflow parameters according to material surface temperature, humidity and airflow data detected in real time; optimizing a heat transfer efficiency function by using a genetic algorithm to improve heat distribution efficiency; the heating source power and the airflow direction are adjusted by monitoring the material moisture change in real time. The system comprises a data acquisition module, a heat flow simulation module, a feedback control module, a genetic algorithm optimization module, a moisture monitoring module and an increment updating module, the energy efficiency of the drying equipment is improved, and energy consumption is reduced.

The utility model discloses a food fungus drying chamber capable of continuously feeding and discharging, and belongs to the field of food drying. A conveying belt is installed on the upper side of the base frame, a first motor is fixedly installed on the base frame, and the output end of the first motor is in transmission connection with the conveying belt; an adjustable flattening mechanism, a drying oven, a uniform material receiving mechanism and a conveying belt cleaning mechanism are sequentially mounted on the base frame in the conveying direction of the conveying belt; the uniform material collecting mechanism comprises a driving assembly and a material collecting assembly, the driving assembly is fixedly installed below the base frame, and the material collecting assembly is installed between the drying oven and the conveying belt cleaning mechanism. By means of the mode, materials can be evenly spread through the adjustable spreading mechanism before passing through the drying oven, and meanwhile the adjustable spreading mechanism can be suitable for materials with different thicknesses by adjusting the height of the spreading mechanism; the dried materials can be uniformly collected through the uniform material collecting mechanism, and the conveying belt cleaning work is completed while the conveying belt runs through the conveying belt cleaning mechanism.

The invention relates to the field of food processing, and discloses a pet food hot air drying processing technique which comprises the following steps: heating raw materials by using microwaves, and exciting and evaporating moisture in the raw materials by radiating the raw materials on a conveying belt through the microwaves; moisture on the surface of the food is removed through hot air drying; microwave heating and hot air drying processes are carried out synchronously, and processing data are regulated and controlled in real time through an intelligent control system. The microwave heating is realized through a frequency-adjustable microwave emitter, and the microwave frequency adjustment range of the frequency-adjustable microwave emitter is 2400 MHz to 2500 MHz. The scheme of combining microwave and hot air drying technologies is adopted, microwave is used for heating internal moisture, a hot air system is matched for removing surface moisture, microwave power and hot air temperature are adjusted in real time, the uniform drying effect is achieved, surface hardening is effectively avoided, it is ensured that moisture inside and outside food is uniformly released, and drying quality and efficiency are improved.

The invention discloses a low-carbon cement calcining process using carbide slag to replace limestone clinker, and relates to the technical field of low-carbon calcined cement processing. A treatment table, a step-by-step crushing mechanism, a screening reflux mechanism, a self-turning drying mechanism and a linkage driving mechanism are matched to complete low-carbon cement calcination by using the carbide slag to replace limestone clinker, and the step-by-step crushing mechanism for performing multi-stage crushing on the waste carbide slag to gradually reduce the particle size is mounted on the upper end surface of the treatment table; according to the calcium carbide slag crushing and drying device, seamless connection of crushing and drying of calcium carbide slag is achieved through combination of the step-by-step crushing mechanism and the self-overturning drying mechanism, the processing speed is increased, dust is reduced, and the crushing and drying efficiency is improved. By means of the combination of the first-stage crushing assembly and the second-stage crushing assembly and staggered rubbing of the trapezoidal crushing plate and the crushed plate, complex stress is applied, the stress direction is increased, hard particles are effectively treated, and the uniformity of carbide slag is ensured.

Proposed is a food waste disposal apparatus for automatically discharging food waste by compressing (naturally dewatering), cutting, and drying food waste. More specifically, proposed is a food waste disposal apparatus having a corrugated part provided at an input hole so that same can be bent in all directions, and thus construction is facilitated, and having, at a predetermined distance away from a drying drum that generates high heat, an exhaust fan for discharging internal air of a drying and discharging part, so as to minimize breakdown of the exhaust fan caused by high heat, and enable vibration and noise of the exhaust fan to be prevented.

The utility model discloses a cleaning and drying machine for steel belt processing, which comprises a processing box, two groups of guide rollers are symmetrically mounted on two sides in the processing box, two groups of scraping rollers are mounted in the middle of the processing box in a mirroring manner, each group of scraping rollers comprises two scraping rollers which are symmetrically arranged, and the outer side of each scraping roller is connected with an extrusion component. An extrusion assembly is arranged, when a scraping roller rotates to remove water from a steel plate, the rotating scraping roller can make contact with an extrusion plate in an extrusion box, the extrusion plate drives a guide rod to move along the extrusion box after being stressed and compresses a reset spring, meanwhile, the reset spring exerts counter-acting force on the extrusion plate, and the extrusion plate makes contact with the scraping roller and extrudes the scraping roller; and redundant water in the scraping roller is discharged, flows into the extrusion box along the extrusion plate and is finally discharged through the drainage pipe, so that the water content of the scraping roller can be effectively reduced, a large amount of water is prevented from adhering to a subsequent steel belt, the drying time is shortened, and the drying efficiency is improved.

The invention relates to the field of precursor material drying, and provides a drying device capable of continuously processing a precursor material, comprising: a mounting table; the housing is fixedly arranged on one side of the upper part of the mounting table; a discharge hole is obliquely formed in the upper part; the air guide volute is fixedly connected to the lower end part of the housing, and an air inlet pipe is arranged at a volute tongue of the air guide volute; and the shunting turbofan is arranged in the air guide volute and consists of an upper side plate, a lower side plate and a plurality of arc-shaped fan blades which are uniformly arranged in the side plates at intervals. A precursor material is sprayed into the drying equipment in a mist shape through the spraying mechanism, continuous feeding of materials with different moisture contents is achieved for continuous processing, the phenomena of agglomeration and drying scaling of the materials when the materials enter the drying area of the equipment are effectively reduced, meanwhile, heat discharged during drying is recycled through the heat recovery pipe, and the energy consumption is reduced. And while the production energy consumption is reduced, the product granularity and granularity distribution are effectively controlled, and the drying uniformity is ensured.

The utility model provides a drying device for millet processing, which comprises a box body, a feed port fixedly communicated with the top of the box body, a discharge port fixedly communicated with the bottom of the box body, a plurality of guide plates fixedly arranged in the box body, a material box fixedly arranged at the bottom of the box body, and a feeding device arranged in the material box and used for conveying millet, hot air devices for dehumidification and drying are arranged on the two sides of the box body; by arranging the feeding device and the flow guide plate, millet can be repeatedly dried on the flow guide plate, and the drying effect is better; due to the arrangement of the stirring device, millet can be prevented from being accumulated in the material box, the millet can make contact with the feeding device more easily, and operation of the feeding device is facilitated; a hot-air blower and a sucking pump are arranged, so that moisture can be quickly discharged out of the box body, and accumulation of the moisture is avoided; when the feeding device operates, the driving assembly can be driven to operate, knocking vibration on the flow guide plate is achieved, millet is not prone to being left on the flow guide plate, and the millet drying effect is better.

The utility model provides a drying system for dried beancurd stick forming, which relates to the technical field of food processing and comprises a drying chamber, a conveyor and a first heat exchange fan, the first heat exchange fan is arranged on the outer side of the drying chamber, a first air supply port is formed in the top of the drying chamber, and a first air return port is formed in the bottom of the drying chamber. The first heat exchanger communicates with a first air supply outlet and a first air return inlet of the drying chamber through a first air supply pipeline and a first air return pipeline. According to the device, hot air can be blown into the drying chamber, evaporation of water in dried beancurd sticks is accelerated, meanwhile, the heat exchange fan can recycle used air, and energy consumption is reduced.

The invention relates to the technical field of acrylic plate drying, in particular to a drying method and system for acrylic plate processing. The method comprises the following steps: step 1, pretreatment and parameter acquisition: cleaning the surface of a high-precision optical acrylic plate, spraying an anti-moisture absorption coating, and synchronously acquiring the thickness, the initial humidity distribution and the light transmittance reference value of the plate; step 2, dynamic zoning and humidity-temperature coordinated regulation and control; step 3, staged stress collaborative drying; and 4, post-treatment balancing: standing the plate until the environment temperature is balanced, and maintaining trace airflow circulation to inhibit humidity rebound. Through accurate humidity gradient and temperature control, deformation and stress concentration in the acrylic plate machining process can be effectively reduced, and the optical performance and physical stability of a final product are improved. Meanwhile, the accuracy and controllability of the drying process are greatly improved through the multi-sensor configuration and data fusion method of the system, the possible quality problem is avoided, and the production efficiency is improved.

The utility model relates to the technical field of metal powder drying devices, in particular to a continuous drying device of metal powder for 3D printing, which comprises a powder storage tank, a drying tank, a cyclone separation tank, a dehumidification tank, a high-pressure fan, a heating tank and a conveying pipeline, and the lower end of the cyclone separation tank is provided with a powder outlet; the powder storage tank is communicated with the upper end of the drying tank, other facilities are sequentially and circularly communicated through a conveying pipeline, the conveying pipeline is communicated with an inert gas inlet, and a one-way gas release valve is further arranged in the continuous drying device so as to ensure that the whole drying process is protected by inert gas; an inclined plate is installed in the drying tank, metal powder slides off along the inclined plate in a zigzag mode and makes full contact with heated inert gas in the process, and the dried powder is driven by airflow to enter the cyclone separation tank, spontaneously deposits due to gravity and flows out from a powder outlet. According to the scheme, a large amount of metal powder of various specifications and shapes can be continuously dried, and good safety and universality are achieved.

The invention relates to the field of ginsenoside RG2 processing, in particular to a ginsenoside RG2 processing and drying device which comprises a drying box and a drying frame installed in an inner cavity of the drying box, supporting blocks are installed at the bottom of the inner cavity of the drying box in a bilateral symmetry mode, and a plurality of trays are installed on the drying frame at equal intervals up and down. A plurality of ventilation holes distributed in a matrix mode are formed in the bottom of the tray, and a plurality of grooves distributed left and right at intervals are formed in the inner walls of the front end and the rear end of the tray. Ginseng is stirred and dried through cooperation of a stirring mechanism and an air blowing mechanism, a front-back moving assembly is used for driving a mounting column to move front and back, the dried ginseng on a tray is stirred front and back through a rotating rod, the ginseng can be turned over continuously in the drying process, the ginseng is heated more evenly, and the drying quality of the ginseng is improved; the rotating rod moves to drive the air distributing pipe to move synchronously, the air distributing pipe blows hot air from the upper side and the lower side of the tray at the same time, the rotating rod is matched for stirring the ginseng, and then the ginseng drying efficiency is improved.

The invention relates to the technical field of desulfurizing agent drying, and discloses desulfurizing agent drying equipment which comprises a drying machine body, a feeding unit connected to one side of the drying machine body, a heating unit connected to the inner side of the bottom of the drying machine body and a multi-layer conveying structure connected into the drying machine body. According to the conveying device, an original whole conveying net belt is modularly arranged, the top face of the conveying net belt can keep horizontal to receive conveying of materials through cooperation of a fixing shaft, a sleeve, rotating net belts and clamping grooves, and the multiple rotating net belts rotating to the bottom face are opened under the action of gravity and are in a vertical state; the plurality of rotating mesh belts are arranged, so that cavities are formed among the plurality of rotating mesh belts, the plurality of cavities can enable a heat source to smoothly rise, the heat source directly exchanges heat with a material contact surface, the upward transmission time of the heat source is shortened, and the design can enable the heat exchange effect to be good, the drying efficiency to be high and the drying time to be shortened.

The invention discloses a drying oven temperature control system and method, the system is provided with a temperature distribution detection module, a neural network training prediction module and a control optimization feedback module, and the method comprises the steps: obtaining tunnel drying oven temperature distribution data and related influence parameters, and carrying out the preprocessing; training an LSTM (Long Short Term Memory) network by utilizing the preprocessed temperature distribution data and related influence parameters, and predicting PID (Proportion Integration Differentiation) parameters in a temperature dynamic control process; the LSTM neural network model is integrated into an edge calculation unit of the tunnel oven temperature control system, and real-time online PID parameter prediction feedback is carried out; carrying out parameter setting on the predicted and output PID parameters, optimizing the parameters of a PID controller by adopting a particle swarm algorithm, and outputting an optimal PID parameter combination; the optimal PID parameter combination is applied to an actual tunnel oven temperature control system, the temperature uniformity of dynamic change disturbance in the system is improved, the temperature control precision is improved, and the overall response time is shortened.

The invention discloses an air drying system for seasoning packaging containers, comprising a conveying mechanism which is horizontally supported by a bracket; the automatic stacking mechanism is arranged above the feeding end of the conveying mechanism and is used for uniformly stacking the packaging containers on the conveying mechanism for conveying; the air shower mechanism is arranged at the bottom of the conveying mechanism and inputs positive pressure air to the conveying surface of the conveying mechanism; the conveying face of the conveying mechanism keeps ventilated, and the automatic stacking mechanism buckles the open ends of the packaging containers to the conveying face of the conveying mechanism. The air-drying system can be used for rapidly air-drying the cleaned packaging containers, the packaging containers can be automatically stacked through the automatic stacking mechanism arranged at the front end of the conveying mechanism according to the width of the conveying mechanism, and then the opening ends of the packaging containers are buckled to the conveying face of the conveying mechanism, so that drainage is facilitated; and the air shower mechanism is combined, so that the packaging container can be conveniently air-dried, and the packaging container can be conveniently filled with materials after being sterilized subsequently.

The invention discloses an infrared heat pump drying machine, which comprises a drying chamber, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps and a plurality of infrared heat pumps, and is characterized in that the infrared heat pumps are arranged on the infrared heat pumps; the heat pump drying system comprises a heat pump drying outer box, an evaporator, a compressor and a condenser, the evaporator, the compressor and the condenser are arranged in the heat pump drying outer box, humid air in the drying chamber enters the heat pump drying outer box through an air outlet and an air return pipe, and the humid air is conveyed back to the drying chamber through an air supply pipe and an air supply outlet after being dried, dehydrated and heated by a heat pump; and the infrared drying system comprises a pair of infrared drying racks and a pair of carbon fiber infrared radiant panel groups. The invention further discloses an infrared heat pump drying method. Infrared drying and heat pump drying can be combined for use, the rapid heating characteristic of infrared rays can be utilized, heat can be recycled through a heat pump system, and the dual purposes of energy conservation and high efficiency are achieved.

The invention relates to the technical field of rotary drum type drying machines for compound fertilizers, in particular to a rotary drum type drying machine for compound fertilizer processing, which comprises a bearing mechanism arranged on a bottom plate, and a drying mechanism and a backflow mechanism are arranged on the bearing mechanism; according to the rotary drum type dryer, hot air in the drying mechanism can be dried and filtered in time through the backflow mechanism, and a drying filter element can be rapidly and reasonably replaced in the working process of the rotary drum type dryer; through cooperation of the drying mechanism and the backflow mechanism, the compound fertilizer can be subjected to multi-stage roller drying, and hot air and the compound fertilizer flow in opposite directions in the drying process of each stage of roller, so that the overall heat exchange efficiency of the hot air and the compound fertilizer is greatly improved; and the overall heat loss is greatly reduced, the overall utilization efficiency of hot air is improved, the overall processing cost of the compound fertilizer is reduced, and meanwhile the overall drying efficiency of the compound fertilizer is greatly improved.