10281 results about "Heat conservation" 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 heat accumulating type electric heater comprises a shell and a heat accumulator, a heat preservation and insulation layer is arranged on the inner side of the shell, the shell comprises a first shell section and a second shell section, and the shell is horizontal; the first shell section comprises an inlet section and a diffusion section, and the diffusion section is arranged to be in a conical shape. The diameter of the second shell section is larger than that of the inlet section. The two ends of the diffusion section are connected with the inlet section and the second shell section respectively. The heat accumulator is made of high-temperature-resistant alloy and provided with a plurality of heat exchange holes and heating holes, the heat exchange holes and the heating holes penetrate through the heat accumulator, heating units are arranged in the heating holes, and each heating unit comprises a resistance wire. According to the invention, gas flow heating is realized by adopting resistor direct heating and heat storage, the gas purity is high, and the test accuracy is good. The shell is of a horizontal structure, the length of an outlet pipeline can be reduced, temperature loss can be reduced, the defect that the temperature field is uneven due to the fact that the temperature of the upper portion of the heat accumulator is too high and the temperature of the lower portion is too low in the heat accumulation process can be overcome, and the temperature control precision reaches + / -1 DEG C.

The utility model discloses a jacket heat preservation flame arrester for high-oxygen VOCs (volatile organic compounds) to enter dry quenching, which belongs to the technical field of flame arresters and comprises two valve bodies respectively communicated with a gas pipeline for the VOCs to enter the dry quenching and a flame arresting screen arranged between the two valve bodies, a jacket capable of introducing steam to preserve heat is arranged between the two valve bodies, and the two valve bodies are communicated with a gas pipeline for the VOCs to enter the dry quenching. The jacket is arranged on the outer side of the fire-retardant screen; a jacket inlet communicated with a steam pipeline is formed in one side of the jacket, and a jacket outlet communicated with a drain pipeline is formed in the other side of the jacket. According to the utility model, the temperature around the fire-retardant screen can be ensured not to be lower than the crystallization temperature of naphthalene gas, so that the naphthalene gas in VOCs gas can smoothly pass through the fire arrester and then enters dry quenching for incineration, and the VOCs are really discharged without external emission.

The invention provides a reinforcement learning algorithm-based intelligent regulation and control method for a vacuum heat-insulation core pipe column. The method comprises the following steps of S1, acquiring operation data of the vacuum heat-insulation core pipe column; s2, preprocessing the collected data and dividing a data set; s3, constructing a reinforcement learning model; s4, reinforcement learning model training and verification; s5, collecting and preprocessing a real-time state; s6, reasoning a reinforcement learning model and generating an optimal regulation and control action; s7, executing the regulation and control action; s8, regulation and control effect monitoring and feedback data acquisition; s9, carrying out reward calculation and reinforcement learning model increment optimization; and S10, cycle regulation and control and convergence judgment are carried out. According to the method, through the closed-loop process of data acquisition, fusion modeling, training optimization, real-time regulation and control and feedback iteration, the problem that heat preservation stability and energy consumption economy are difficult to consider in regulation and control of the vacuum heat insulation and heat preservation center core pipe column is solved, and a landing technical path is provided for intelligent operation of high-precision heat preservation equipment.

The utility model relates to a lighting, heat-insulating and waterproof window well of a building and belongs to the technical field of window wells. Comprising a basement wall and a lighting assembly, window wells are arranged on the basement wall, the lighting assembly comprises lighting windows and suspended ceilings, the lighting windows and the suspended ceilings are located at the tops and the bottoms of the window wells respectively, the window wells comprise the upper window wells and the lower window wells, and the lower window wells are in a horn shape; a waterproof heat preservation assembly is arranged between the window well and the basement wall, a drainage pipe penetrating through the waterproof heat preservation assembly is arranged in the basement wall, the waterproof heat preservation assembly comprises a waterproof roll layer, a cement mortar smearing layer and a graphite polystyrene board, and the cement mortar smearing layer and the graphite polystyrene board conduct heat preservation on the window well. According to the building daylighting heat-preservation waterproof window well, the daylighting efficiency and uniformity are improved through the design of the outwards-convex-pyramid-shaped daylighting window and the horn-shaped lower window well, the waterproof heat-preservation assembly is combined with the graphite polystyrene board, heat transfer is effectively prevented, the heat-preservation performance is enhanced, and meanwhile the waterproof effect is improved through the waterproof roll layer and the cement mortar smearing layer.

The invention relates to the technical field of hot riveting, and discloses split type hot riveting head modular hot riveting equipment which comprises an upper tool, a lower tool, a heating body arranged at the bottom of the upper tool, a plurality of hot riveting heads arranged at the bottom of the heating body in a linear array mode and a product arranged at the top of the lower tool. The two sets of detachable heating rods are arranged on the two sides of the heating body respectively, the three sets of thermocouples are arranged at the bottom of one side of the heating body, and the heat conduction unit is arranged on the hot riveting head. The heat conduction assembly, the reset assembly and the overturning assembly form a closed-loop action, a heat conduction plate preheats a metal sheet through a heat conduction ring, and infirm connection and deformation caused by temperature difference are avoided. Due to small deflection and overturning separation during hot riveting, heat interference and flash adhesion are avoided; after hot riveting, the material is reset and pushed to be stripped, pull wires are prevented from being pulled up, and a hot riveting head can be surrounded for heat preservation. The whole process does not need extra driving, product quality is guaranteed, takt time is shortened, and automation efficiency is improved.

The invention provides a water vapor interference resistant sensor air chamber and a dynamic dehumidification method thereof.The sensor air chamber is characterized in that an acquisition control module, a temperature acquisition assembly and a heating and heat preservation assembly are arranged in an air chamber structure assembly, and the acquisition control module is connected with the temperature acquisition assembly and the heating and heat preservation assembly; the heating and heat preservation assembly is arranged on the outer side of the sensor, the collection control module carries out data processing and regulation and control parameter calculation, and precise moisture-proof control is achieved. Meanwhile, the invention discloses a dynamic dehumidification method. In combination with the change of sensor signals and the moisture condensation temperature under different temperature conditions, the heating and heat preservation assembly is started to heat the air chamber, so that the temperature of the air chamber is always higher than the dew point temperature and is fixed as the temperature difference value of the air chamber temperature and the environment temperature, and the moisture is effectively prevented from condensing in the air chamber or interfering a detection signal; the problem that the sensor is prone to false alarm in the humid environment is solved, data are stable and reliable in the humid environment, and detection precision and stability are improved.

The invention relates to the technical field of welding, and provides slurry pump shell welding equipment which comprises a mechanical arm, a welding gun and a workbench, and further comprises at least two moving tables, a clamping seat, a profiling self-adaptive clamp system, a preheating part and a slow cooling system, and the welding gun is mounted at the movable end of the mechanical arm; the clamping seat is rotatably arranged on the moving table, the profiling self-adaptive clamp system is installed on the clamping seat and used for adaptively clamping the inner side and the outer side of a slurry pump shell, and the preheating part is installed at a welding gun and used for locally and precisely preheating the welding position. The slow cooling system and the profiling self-adaption clamp system are matched to conduct heat preservation and slow cooling on the slurry pump shell after welding, the slow cooling system comprises a heating bin and an air supply pipe, the heating bin is installed on a clamping base, and a heater and a draught fan are installed in the heating bin. According to the technical scheme, the technical problem that in the prior art, the preheating effect and the post-welding heat preservation and slow cooling effect are poor is solved.

The invention relates to the field of flow-state solidified soil, and discloses flow-state solidified soil prepared from construction waste, preparation equipment and a preparation method. The pre-dehydration module is used for controlling the water content of discharged materials to be less than or equal to 14%; the system further comprises a main drying system, an auxiliary material adding device, a water adding device and mixing equipment. The main drying system comprises a high-temperature drying area, a high-temperature buffering area and a heat preservation discharging area which are arranged in the vertical direction, materials treated by the pre-dehydration module are lifted into the high-temperature drying area through lifting equipment, the main drying system comprises at least two sets of material conveying belts, and a plurality of hot air openings are evenly formed in the top of the high-temperature drying area; an inlet of the hot air pipe is communicated with an air cavity heated by a heat source; a recovery channel communicating with the portion, close to the bottom, of the heat preservation discharging area is arranged on one side of the main drying system, and an obliquely-arranged dust baffle is arranged in the recovery channel. According to the invention, the problems of fluctuation of construction waste sources and large change of material moisture content in the prior art are solved.

The invention discloses a method for preparing 6N-grade high-purity zinc through twice vacuum distillation based on a uniform temperature field. The method comprises the following steps: pretreatment; first-stage distillation: putting the zinc ingot subjected to vacuum drying into a crucible of a vacuum distillation furnace, mounting a plurality of stages of condensation collecting trays on the top of the crucible in an overlapping manner, and then performing high-vacuum pumping, heating and heat preservation; second-stage distillation: after the heat preservation of the first-stage distillation is finished, heating and heat preservation are continued under high vacuum; a plurality of samples are respectively obtained from the multistage condensation collecting disc, and the samples with the zinc content not lower than 99.9999% are collected, namely the 6N-grade high-purity zinc product. According to the method, zinc ingots with the purity of 99.99%-99.995% are used as raw materials, a conventional vacuum distillation furnace is used as distillation equipment, multiple stages of condensation collecting plates are mounted on the top of a crucible in an up-and-down overlapping manner, a novel two-stage distillation process is developed in a matched manner, key parameters such as the vacuum degree, the heating temperature, the heating rate and the heat preservation time are accurately controlled, and the high-purity zinc ingot is obtained. And a 6N-grade high-purity zinc product is successfully prepared.

The invention relates to the technical field of medium manganese steel, in particular to high-strength and high-toughness medium manganese steel and a preparation method thereof.The preparation method is characterized by comprising the steps that S1, smelting is conducted through an electric furnace according to the chemical component ratio of the medium manganese steel, then refining is conducted through a ladle refining furnace, then vacuum degassing treatment is conducted through a vacuum circulation degassing method, and then continuous casting is conducted to form a plate blank with the thickness being 200-300 mm; s2, the plate blank is heated to 1150-1250 DEG C in a walking beam furnace, heat preservation is conducted for 2-4 hours, and then a controlled rolling technology is adopted to machine the plate blank into a steel plate within the range of 4-20 mm; s3, after rolling is completed, the steel plate is treated through a composite cooling technology of ultra-fast cooling and laminar cooling; s4, the cooled steel plate is heated to 750-850 DEG C, heat preservation is conducted for 10-60 minutes, and a ferrite and austenite double-phase structure is formed; the comprehensive performance is greatly improved, and excellent strength, plasticity, low-temperature toughness and welding adaptability are shown.

The invention discloses a hot air blowing device for a porcelain bushing, and relates to the technical field of electric precipitators, the hot air blowing device comprises an inner top, a heat preservation box with a heat preservation cavity, a suspender, an insulating porcelain bushing and a porcelain bushing cover plate, the heat preservation box is fixed above the inner top, the insulating porcelain bushing is arranged in the heat preservation cavity and fixed above the inner top, and the porcelain bushing cover plate is installed at the top end of the insulating porcelain bushing; the upper end of the hanging rod is connected with a porcelain bushing cover plate, the porcelain bushing cover plate is provided with a plurality of communicating holes used for guiding hot air in the heat preservation cavity into the insulating porcelain bushing, the heat preservation box is provided with an air inlet, the porcelain bushing cover plate is provided with a blowing assembly, and the blowing assembly comprises a plurality of air guide blades and an adjusting assembly used for adjusting the inclination direction of the air guide blades. The air guide blades correspond to the communicating holes and are used for guiding hot air guided in by the communicating holes to the surface of the inner wall of the insulating porcelain sleeve. According to the scheme, the hot air blowing path can be changed by adjusting the angles of the air guide blades, local dust accumulation is avoided, it is guaranteed that the inner wall is evenly cleaned, the cleaning effect is improved, and the equipment operation period is prolonged.

The tunnel furnace comprises an outer furnace body and an inner furnace body, the outer furnace body is arranged on the periphery of the inner furnace body in a surrounding mode, a hollow heat preservation interlayer is arranged between the outer furnace body and the inner furnace body, the lower side of the outer furnace body is provided with a waste gas port communicated with the heat preservation interlayer, the upper side of the outer furnace body is provided with an exhaust port, and the exhaust port is communicated with the heat preservation interlayer. An air inlet is formed in the upper side of the inner furnace body, a centrifugal fan is arranged at the position, located at the air inlet, of the inner furnace body, and an air inlet communicated with the air inlet, a first air outlet communicated with the heat preservation interlayer and a second air outlet communicated with the exhaust port are formed in the centrifugal fan. A switching mechanism used for controlling the air inlet to be communicated with the first air outlet or the second air outlet is arranged in the centrifugal fan. According to the utility model, a small amount of air can be slowly exhausted, a large amount of air can be quickly exhausted, and the exhausted hot air can be subjected to heat recovery.

The invention discloses a thermal insulation layer thickness determination method and system based on a phase change material. The method comprises the following steps: obtaining thermophysical parameters of a phase change material, and determining an applicable phase change material type in combination with temperature change characteristics of an application environment; after the phase-change material is applied, environment temperature data are collected, day and night temperature difference, seasonal change and sudden temperature fluctuation conditions are analyzed, and the heat adjusting requirements of the phase-change material in different time periods are calculated; and calculating the required thickness of the phase-change material according to the condition that the phase-change material is positioned on the outer layer or the inner layer of the thermal insulation layer on the basis of the calculated heat adjustment requirement, and performing optimization in combination with heat balance analysis. According to the invention, scientific calculation of the thickness of the phase change material is realized, so that the phase change material can provide effective heat storage and release under different environmental conditions, the problem of excessive use of the material or insufficient thermal insulation performance is avoided, and the thermal stability and energy-saving efficiency of the thermal insulation layer are improved.

The invention relates to the technical field of concrete curing, in particular to an intelligent control method and system for a precast concrete component curing kiln, and the method comprises the steps: obtaining historical and real-time environment parameters of the curing kiln, generating monitoring data with an identifier in combination with a component type and a current process stage, and matching a corresponding preset temperature and humidity regulation and control model. And optimizing the model by using a historical temperature and humidity response sample and component strength increase data to generate a personalized target temperature and humidity regulation and control model. And analyzing real-time parameters based on the model, outputting a control instruction containing a target temperature rise rate, a humidity threshold value and heat preservation time, and converting the control instruction into a kiln body adjustment control signal according to a dynamically adjusted execution rule. And finally, sending to an execution terminal to realize cooperative regulation and control of heating, humidification, ventilation and heat preservation systems. According to the method, multi-source data and process characteristics are fused, the adaptive learning ability is achieved, the maintenance environment can be accurately regulated and controlled, and intelligent, refined and efficient operation of the maintenance process is achieved.

The invention provides a heat and cold storage water body system based on a multi-head water distributor and a working method of the heat and cold storage water body system, and belongs to the technical field of water body heat storage. High-temperature water is stably injected into the upper layer of a water body through the suspended water distributor at the top, and low-temperature water is injected through the exposed water distributor at the middle lower part, so that mixing of cold water and hot water is reduced to the greatest extent, and stable temperature stratification is quickly formed and maintained. Therefore, the invalid mixing loss of cold and heat is obviously reduced, and the effective heat storage / cold storage capacity and the heat exchange efficiency of the water storage device are greatly improved. The floating type heat preservation top cover directly covers the water surface, upward evaporation heat dissipation and convection heat dissipation on the water surface are effectively blocked, heat loss of the water body is greatly reduced, the heat preservation performance of the system is excellent, and the energy storage efficiency is high.

The utility model discloses a quenching furnace capable of continuously quenching. The quenching furnace comprises a quenching furnace body and a plurality of continuous conveying trolleys, the quenching furnace body comprises an upper-layer quenching area and a lower-layer continuous conveying area; a heat-insulating door is arranged at one end of the upper quenching area; a signal transmitter is arranged at the lower end of the insulation door; a conveying rail is arranged in the lower-layer continuous conveying area; the continuous conveying trolley is arranged on the conveying track; the continuous conveying trolley comprises a frame body, a plurality of rollers, a lifting assembly and a micro driving motor; the frame body is arranged on the conveying track through a plurality of rollers; a lifting assembly is arranged on the frame body; and a micro driving motor is arranged beside the roller. According to the quenching furnace capable of continuously quenching, it is not needed to wait for each workpiece to independently complete heating, heat preservation, cooling and other procedures like single-piece quenching, through the arrangement of the liftable continuous conveying trolley and the cooperation of a plurality of induction facilities, the production period is greatly shortened, the production efficiency is improved, and the quenching furnace is suitable for mass production of quenching parts.

The invention provides a texturing hot box and a false twist texturing machine, and belongs to the technical field of textile machinery. The deformation hot box comprises a second heat preservation layer which is at least attached to two first side walls, exposed out of the heat preservation groove and arranged oppositely, of the first heat preservation layer, or the second heat preservation layer and a first fixing assembly are jointly attached to the two first side walls, exposed out of the heat preservation groove and arranged oppositely, of the first heat preservation layer. The front cover plate forms a strip-shaped opening exposing the heat preservation groove. The box door is pivotally connected with the front cover plate so as to movably open and close the strip-shaped opening; the two second side walls, oppositely arranged in the second direction, of the hot rail at least abut against the second heat preservation layer. The first fixing assembly is used for keeping the relative position of the first heat preservation layer and the second heat preservation layer, and the first fixing assembly is separated from the front cover plate to at least partially expose the second heat preservation layer. According to the deformation hot box and the false twist texturing machine disclosed by the invention, the energy consumption of the deformation hot box and the false twist texturing machine is reduced, and the situation that chips of a heat preservation structure are diffused to a heat preservation groove and a hot rail to pollute fibers is prevented.

The invention relates to a hollow glass assembly and a preparation method thereof. The hollow glass assembly comprises a first glass sheet and a second glass sheet, the first glass sheet and the second glass sheet are oppositely arranged, a sealing cavity is formed between the first glass sheet and the second glass sheet, the first glass sheet is provided with a Low-E film layer, the Low-E film layer is provided with a first periodic hollow pattern, and the second glass sheet is provided with a second periodic hollow pattern. A heat preservation film layer is arranged on the second glass sheet, and the heat preservation film layer is provided with a second periodic hollowed-out pattern. According to the hollow glass assembly, the Low-E film layer with the first periodic hollowed-out patterns is arranged on the first glass sheet, the signal anti-reflection effect is achieved, the heat preservation film layer with the second periodic hollowed-out patterns is arranged on the second glass sheet, the signal passing ability is improved, and meanwhile the thermal performance of the hollow glass assembly is improved.

The invention provides a method for preparing a zirconium boride ceramic material through pressureless sintering, and belongs to the technical field of zirconium boride ceramics. The method comprises the steps of preparing zirconium boride composite powder, modifying silicon carbide nanowires and mixing and sintering. The method for modifying the silicon carbide nanowire comprises the steps of acid treatment and modification, the modification step comprises the following steps: adding aluminum isopropoxide into absolute ethyl alcohol, adding a nitric acid solution, stirring for 1.5-2.0 hours at the temperature of 60-63 DEG C, adding the acid-treated silicon carbide nanowire, carrying out ultrasonic dispersion and water bath evaporation, then drying, putting into a muffle furnace, and carrying out heat preservation for 2.0-2.2 hours at the temperature of 490-500 DEG C to obtain a modified silicon carbide nanowire; the ceramic material prepared by adopting the method disclosed by the invention is high in density, good in mechanical property and excellent in high-temperature oxidation resistance and stability in a complex environment.

The invention relates to a two-chamber low-pressure casting holding furnace and a low-pressure casting method. The two-chamber low-pressure casting holding furnace comprises a heat preservation chamber, a low-pressure casting chamber, a communicating cavity, a liquid rising pipe, a first air inlet pipe and a liquid opening, wherein the heat preservation chamber comprises a precipitation cavity and a confluence cavity; and the communicating cavity comprises a liquid inlet section, a transition section and a liquid outlet section. Compared with the prior art, the heat preservation chamber of the holding furnace is directly communicated with the low-pressure casting chamber, an intermediate valve is omitted, and the pressure bearing capacity of the holding furnace is greatly improved; and large pressure can be generated by arranging a second air inlet pipe and enabling the second air inlet pipe to be matched with the first air inlet pipe, so that the overall working performance of the holding furnace is improved in a spanning manner, the holding furnace can be used for producing thin structural parts, such as automobile chassis parts, A columns and B columns, with larger projection areas, and the practicability of the holding furnace is greatly improved.

The invention relates to a thermochemical energy-storage heat-preservation coring device and method for oil and gas coring, magnesium sulfate heptahydrate is preset in an interlayer of a heat-preservation cylinder of the coring device, the underground temperature is stored by utilizing dehydration and heat absorption of the magnesium sulfate heptahydrate, and then the stored heat energy is released by utilizing water absorption and heat release of the magnesium sulfate to carry out core heat preservation. The thermochemical energy storage thermal insulation structure comprises a thermal insulation cylinder and a thermal insulation trigger device, wherein a thermochemical energy storage material and reactant water are placed in an interlayer in the thermal insulation cylinder; the heat preservation trigger device comprises a trigger probe, a self-trigger and a trigger spring. The underground temperature is stored through dehydration and heat absorption of the magnesium sulfate heptahydrate, the stored heat energy is released through water absorption and heat release of the magnesium sulfate for rock core heat preservation, and extra energy supply is not needed; meanwhile, the magnesium sulfate heptahydrate is non-toxic and stable in property, can store different heat in different temperature stages, and is suitable for heat preservation coring of different reservoir depths.

The invention provides a double-layer heat preservation cabinet control method and system and electronic equipment. The control method comprises the steps that type information of target food in each layer of heat preservation cabinet is obtained; the type information comprises fresh fruits and vegetables, cooked wheaten food staple food, meat, soup and porridge, bean products and baked pastries; determining target temperature and target humidity corresponding to the target food according to the type information of the target food; the current temperature of each layer of heat preservation cabinet is obtained in real time, and the temperature of each layer of heat preservation cabinet is adjusted in real time according to the current temperature and the target temperature; the current humidity of each layer of heat preservation cabinet is obtained in real time, and the humidity of each layer of heat preservation cabinet is adjusted in real time according to the current humidity and the target humidity. According to the control method and system provided by the invention, the freshness of the food is effectively improved.

The invention discloses a basket mechanism and a biological sample storage device. The basket mechanism comprises a heat preservation box body, a transmission assembly, a basket hook and a driving motor. The heat preservation box body comprises a shell, a sealing door and a heat preservation gas conveying piece. The shell is hollow and provided with a bottom end opening. The sealing door is slidably mounted at the bottom of the shell; the heat preservation gas conveying piece is arranged on one side of an inner cavity of the shell, communicates with a gas source of heat preservation gas and is provided with a plurality of micropores. The transmission assembly is arranged on the other side of the inner cavity of the shell, the side, facing the heat preservation gas conveying piece, of the transmission assembly is connected with the basket hook, and a basket channel is formed between the transmission assembly and the heat preservation gas conveying piece and communicates with the bottom end opening. The output end of the driving motor is connected with the transmission assembly. By means of the arrangement, in the process that the basket mechanism is transferred or taken out, heat preservation operation can be automatically conducted on a sample tube, global low-temperature operation does not need to be conducted on a biological sample library, the speed is increased, and waste of refrigeration resources such as liquid nitrogen is avoided.

The utility model relates to the technical field of heat preservation, in particular to a heat preservation sleeve which comprises a heat preservation sleeve body, a first hook-and-loop fastener and first caulking filler. The first Velcro comprises a first Velcro hook surface, a first lap joint block and a first Velcro rough surface; the hook face of the first hook-and-loop fastener is fixed to the outer side of the first splicing end of the heat preservation sleeve body. The first lap joint block comprises a first fixing part and a first lap joint part, the first fixing part is fixed to the outer side of the second splicing end, and the first lap joint part extends out of the second splicing end; the first Velcro rough surface is arranged on the side, close to the first Velcro hook surface, of the first lap joint part; and the first caulking filler is arranged on the first lap joint part and is located at the seam of the first splicing end and the second splicing end when the rough surface of the first magic tape is adhered to the hook surface of the first magic tape. The problems that in the prior art, when a seam of a heat preservation pipe sleeve is fixed in a sewing thread or hook-and-loop fastener mode, the sealing effect of the seam is poor, and a large amount of heat is exchanged between the seam and the outside can be solved.

The present application relates to the field of door core material preparation, and particularly relates to a heat-insulating and fireproof door core material for security doors and a preparation method thereof, comprising a protective layer, a heat-insulating layer and a core part, wherein the core part comprises a plurality of springs arranged at equal intervals and fixed plates arranged at both ends of the springs; the heat-insulating layer is arranged outside the fixed plates; and the protective layer is bonded to the outside of the heat-insulating layer and is a foamed aluminum plate, which is prepared as follows: S1, cutting the fixed plates and then welding spring fixing bases and fixing buckles; S2, arranging and fixing the springs; S3, weighing the component materials of the heat-insulating layer, adding water and mixing uniformly; S4, based on a core material preparation system, sequentially completing pouring, jarring, smoothing and heat-insulating drying of the two heat-insulating layers after setting; S5, preliminarily determining whether the preparation of the heat-insulating layer meets preset standards according to the measured compressive strength; and S6, bonding the protective layer. On the basis of ensuring the performance of the core material, the present application can also be applied to the door core of security doors with different thicknesses.

The application relates to the technical field of data processing, in particular to a kiln data monitoring and early warning method based on reinforcement learning, which comprises the following steps: acquiring intelligent gas meter readings at each collection time in each cycle during the operation of a rotary kiln and temperatures at each collection time at each monitoring point; calculating heat space diffusivity at each monitoring point at each collection time in each cycle, calculating heat time dissipation and heat propagation index at each monitoring point at each collection time in each cycle; constructing heat abnormality degree at each monitoring point; calculating energy consumption abnormality degree of the rotary kiln; calculating heat preservation degree at each collection time in each cycle; constructing comprehensive abnormality degree of the rotary kiln; constructing a prediction autoregressive term number according to the comprehensive abnormality degree of the rotary kiln, acquiring a predicted energy consumption of the rotary kiln, and monitoring abnormal conditions of rotary kiln operation energy consumption in combination with a preset energy consumption. The application aims to improve the reliability of rotary kiln operation energy consumption abnormality monitoring.

The invention discloses a novel process for realizing online softening and improving cold heading performance of SCM435 series cold heading steel, and relates to the technical field of cold heading steel processing. The invention discloses a novel process for realizing online softening and improving the cold heading performance of SCM435 series cold heading steel. According to the method, S1, steel billet continuous casting forming, S2, steel billet precise heating, S3, low-temperature rolling molding, S4, wire rod standard spinning, S5, stelmor cooling and S6, heat preservation vestibule slow cooling are carried out, the uniformity of the process performance is remarkably improved, by innovatively optimizing the spinning coefficient and the roller way speed, it is fundamentally guaranteed that the disc shape is neat, the heat dissipation conditions of all positions of the wire rod in a slow cooling vestibule are consistent, and the heat dissipation efficiency of the wire rod is improved. Therefore, uniform transformation of a whole-roll structure and a same-circle structure is achieved, the consistency of cold heading performance is greatly improved, the cracking risk in the cold heading process is effectively reduced, the technology is remarkable in energy-saving and consumption-reducing effect, rolling waste heat is fully utilized for on-line softening, the traditional off-line reheating and annealing procedure is completely omitted, and energy consumption can be saved by about 30% or above.

The invention relates to a quick-heating double-layer jacket stirring tank structure, which comprises a tank body, which is provided with a straight cylinder section and a conical section connected with the bottom end of the straight cylinder section; the support frame is fixed at the bottom end of the conical section; a stirring assembly; at least two groups of radial stabilizers are arranged on the rotating shaft at intervals in the axial direction of the rotating shaft; the heating assembly comprises an inner layer body and an outer layer body which are concentrically nested, and the inner layer body and the outer layer body are spaced to form a closed heating cavity. According to the rapid-heating double-layer jacket stirring tank structure designed by the invention, through a multi-stage composite stirring system and a multi-source synergistic heating system, a global composite flow field is formed in the tank so as to enhance heat and mass transfer; and the design of double-circulation reverse heat exchange, transition area compensation heating and internal and external double heat locking and heat preservation is utilized, so that the materials in the tank are rapidly and uniformly heated integrally, the problems of temperature dead angles and non-uniform material mixing of a traditional stirring tank are effectively eliminated, and the uniformity of the product quality is ensured while the heat efficiency and the reaction efficiency are effectively improved.

The invention discloses a method for preserving heat of a urea NaOH and Mg (OH) 2 storage cabin, and aims at a ship which is provided with an SCR (Selective Catalytic Reduction) system, an EGR (Exhaust Gas Recirculation) system, an iCER (Initial Continuous Emission Reduction) system and a desulfurization system and needs to store urea, NaOH or Mg (OH) 2. Condensed water of the air conditioning unit is collected and then introduced into the storage cabin in a gravity mode, and the condensed water generation amount and the condensed water temperature of the air conditioning unit are analyzed and calculated. On the premise that the cabin capacity meets the condition, condensate water is used for cooling the urea cabin and then discharged into the clean cabin bottom water cabin, and the cooling capacity of the condensate water is utilized to the maximum extent. In winter or in a cold area, when the air conditioning unit does not need to operate, in order to avoid too low temperature of the solution cabin, the storage cabin can be heated by using the discharged water in the clean cabin bottom water cabin before discharging, so that the storage temperature of the urea, NaOH or Mg (OH) 2 solution is ensured to be 10-35 DEG C.