167results about How to "Reduce material consumption" patented technology

The invention discloses a BIM-based high-speed rail overhead line system elastic sling and electric connection prefabrication processing method, and relates to the field of elastic sling processing, and the method comprises the steps: building a knowledge base, and building an initial elastic sling BIM model of a target project through parametric modeling; establishing an initial finite element analysis model of the target project through grid division and material attribute mapping; calculating the internal force and deformation of the elastic sling under the action of the static load by adopting an incremental iteration method; carrying out dynamic time-history analysis by adopting a direct integration method to obtain time-history curves of the elastic sling under different seismic waves; according to static and dynamic analysis results, stress-strain response of the elastic sling is extracted, and the initial elastic sling BIM model is optimized by adopting a topological optimization method with the minimum strain of the elastic sling as the target and the stress constraint of the elastic sling as the condition; and updating the finite element analysis model by using the optimized elastic sling BIM model. According to the method, the parameterized design degree of the elastic sling is improved.

The utility model discloses a moving device of a welding cabinet body, which belongs to the field of structural design of the welding cabinet body, the moving device of the welding cabinet body sequentially supports a translation mechanism, a jacking and rotating mechanism and a turnover mechanism through a support frame, and the cabinet body to be welded firstly reaches the turnover mechanism through the translation mechanism; the overturning mechanism reduces the height of the cabinet body to be welded through overturning, the mechanical arm can conveniently move the supporting flat plate and the unshielded portion of the overturning tray to conduct welding, then the cabinet body to be welded is overturned to the original position and moved to the jacking rotating mechanism through the translation mechanism, the jacking rotating mechanism firstly pushes upwards, then rotates and then pulls down the cabinet body to be welded, and then the cabinet body to be welded is welded. The to-be-welded cabinet body is conveyed to the movable supporting flat plate again through the translation mechanism, the to-be-welded cabinet body is overturned through the overturning mechanism, and a mechanical arm or a worker is welded to the position shielded by the last movable supporting flat plate and the overturning tray, so that welding of all the welding positions of the to-be-welded cabinet body is achieved; compared with the prior art, the moving device is more labor-saving and more accurate.

The invention relates to a method for directly reducing micro-fine-particle iron powder from high-purity iron ore concentrate through hydrogen-based low-temperature fluidization, belongs to the technical field of mineral processing, and mainly relates to five stages of nitrogen replacement of air, preheating dehydration, low-temperature fluidization direct reduction, inert cooling and ore grinding screening. And fluidization direct reduction at the low temperature of 570-620 DEG C into metal iron powder is achieved, efficient ore grinding is conducted on the basis, and the micro-fine-particle iron powder with the particle size D50 smaller than or equal to 3 micrometers is prepared. Compared with a conventional 800-1400 DEG C high-temperature preparation process of the reduced iron powder, the energy consumption and the material consumption are greatly reduced, and meanwhile bonding and flow loss are effectively avoided. According to the technological method, H2 serves as reducing gas, fluidized roasting is adopted, and the technological method has the advantages of being simple in technological process, free of carbon emission, high in reduction efficiency and the like.

The utility model discloses an external liquid seal desulfurizing tower overflow device which comprises a desulfurizing tower main body, an inlet flue is connected onto the desulfurizing tower main body, an overflow port is arranged on the tower wall of the desulfurizing tower main body, the overflow port is connected with an overflow inclined pipe, an included angle alpha is formed between the overflow inclined pipe and the horizontal plane, the upper end of the overflow inclined pipe is connected with a discharge pipe, and the lower end of the discharge pipe is connected with a liquid outlet. The lower end of the discharge pipe is inserted into the liquid level of the liquid collecting pit, the liquid collecting pit is located on the lower portion of the discharge trench, and nozzles are arranged on the periphery of the bottom of the liquid collecting pit and connected with a process water pipe. The overflow device is simple in structure, the overflow inclined pipe is obliquely arranged without scaling, and the overflow device is maintenance-free; the overflow pipe is balanced with the pressure in the tower, and easy-to-bubble substances floating on the liquid level directly overflow and are discharged, so that the problem of bubble overflow of slurry is thoroughly solved, the field environment quality is improved, the labor intensity is reduced, and the material consumption is reduced.

The invention provides a spherical molecular sieve desiccant which comprises 95.0-98.5% by mass of an A-type molecular sieve and 1.5-5.0% by mass of a matrix, the A-type molecular sieve is composed of a non-crystal transformation A-type molecular sieve and a crystal transformation generated A-type molecular sieve, more than 50% of cations of the A-type molecular sieve are occupied by potassium ions, the particle diameter of the desiccant is 1.0-1.4 mm, the dynamic water adsorption capacity is greater than or equal to 22.0%, and the particle size of the desiccant is 0.2-0.5 mm. The drying agent is high in static and dynamic water adsorption capacity, good in strength and large in burning bulk density.

The invention discloses a cationic dye dyeable regenerated polyester fiber and a preparation method thereof, and relates to the technical field of polyester fibers, the cationic dye dyeable regenerated polyester fiber comprises the following components: waste polyester, sodium bis (2-hydroxyethyl) isophthalate-5-sulfonate and long-chain dihydric alcohol, the method comprises the following steps: mixing waste polyester, sodium bis (hydroxyethyl) isophthalate-5-sulfonate and long-chain dihydric alcohol according to a certain mass ratio, extruding the mixture in a twin-screw extruder, carrying out semi-depolymerization on the waste polyester by using the sodium bis (hydroxyethyl) isophthalate-5-sulfonate and the long-chain dihydric alcohol to obtain a semi-depolymerization product which is low-molecular-weight polyester with a hydroxyl-terminated structure, feeding the low-molecular-weight polyester into a polycondensation reactor, and carrying out condensation polymerization on the low-molecular-weight polyester with the hydroxyl-terminated structure to obtain the low-molecular-weight polyester with the hydroxyl-terminated structure. The prepared modified polyester can be directly spun or spun after being diced, and the prepared polyester fiber has a cationic dye normal-pressure dyeable effect, can remarkably reduce dyeing energy consumption and material consumption, has good hygroscopicity, improves wearing comfort and can be widely applied to the fields of clothes, home textiles and the like.

The utility model provides an underground diaphragm wall reinforcement cage lifting device, which belongs to the technical field of underground diaphragm wall construction and comprises a machine body, a lifting arm, a main lifting pulley block, a main lifting driver, a main lifting cable, a main lifting appliance, an auxiliary lifting pulley, an auxiliary lifting driver, an auxiliary lifting cable and an auxiliary lifting appliance. The main lifting pulley block is arranged on the lifting arm; the main hoisting driver is arranged on the machine body; the main hoisting cable bypasses the main hoisting pulley block, and one end of the main hoisting cable is connected with the main hoisting driver; the main lifting appliance is arranged at the other end of the main lifting cable and is used for being connected with one end of a reinforcement cage; the auxiliary hoisting pulley is arranged on the hoisting arm; the auxiliary hoisting driver is arranged on the machine body; the auxiliary hoisting cable bypasses the auxiliary hoisting pulley, and one end of the auxiliary hoisting cable is connected with the auxiliary hoisting driver; the auxiliary lifting appliance is arranged at the other end of the auxiliary lifting cable and used for being connected with the middle of the reinforcement cage. According to the utility model, the requirements on site size and site scheduling can be reduced, the consumption of manpower and material resources is reduced, and the potential safety hazard of construction can be eliminated or reduced.

The invention discloses an alteration zone detection and analysis method and system, and belongs to the field of unfavorable geological precursor feature recognition, and the method comprises the steps: obtaining physical and chemical process data in a geological environment through numerical simulation, and generating a spatial distribution image of an alteration zone; preprocessing the spatial distribution image to obtain a preprocessed image; alteration zone features are extracted from the preprocessed image; based on a supervised learning mode, training a convolutional neural network through alteration band features to obtain an alteration band detection model; and identifying the actual alteration band data through the alteration band detection model to obtain a detection result. The position, range and characteristics of the alteration zone can be accurately detected, and reliable technical support is provided for the fields of geological exploration, tunnel engineering, environment monitoring and the like.

This utility model discloses an integrated transition yaw connection system for wind turbines, belonging to the technical field of wind power generation equipment. The system includes a wind turbine tower, a slewing bearing, a short-section cylinder, and a lower platform. The wind turbine tower has a truss-type hollow structure. The short-section cylinder is vertically arranged and its top is welded to the lower platform as a whole. Its bottom is connected to the top of the tower through the slewing bearing. This utility model uses a hierarchical structure of truss tower-slewing bearing-short-section cylinder-platform. It utilizes the short-section cylinder to distribute the nacelle load and compensate for installation errors. Combined with the slewing bearing, it achieves low-friction and stable yaw. This structure effectively solves the problems of heavy self-weight, obvious yaw vibration, complex assembly, and easy wear of connection parts of traditional wind turbine towers. It has the advantages of lightweight, stable yaw, convenient installation, and long service life.

The invention belongs to the technical field of metal separation, and particularly relates to a deep eutectic solvent, a preparation method and application thereof, and a method for selectively extracting lithium from a lithium battery positive electrode material. According to the deep eutectic solvent provided by the invention, nearly 100% selective leaching of lithium is realized in an extremely short time, and Ni, Co and Mn are almost not leached, so that the bottleneck that the rate and the selectivity are difficult to obtain at the same time in a traditional method is broken through; and the process conditions are mild and efficient, are far superior to the traditional process and are more suitable for practical industrial application, and the energy consumption and material consumption are remarkably reduced.

The invention relates to a separation and purification method in chemical production, and provides an energy-saving and efficient nitro-aromatic hydrocarbon separation and purification method. Gravity settling, alkali washing, cooling and filtering are combined, a liquid-liquid micro-mixer and cooling and filtering are used for replacing traditional tedious multi-stage neutralizing and water washing operation of a multi-kettle series connection or static mixer, impurities such as residual acid, phenols, sodium salt and water in the acidic nitro-aromatic hydrocarbon are efficiently removed, the emulsification phenomenon is avoided, and the quality of the acidic nitro-aromatic hydrocarbon is improved. And the treated material can ensure long-term stable operation of a subsequent rectification system. The method does not need a two-stage washing process in the prior art, and is low in material consumption, energy consumption and wastewater amount; the liquid-liquid mixer is used for the alkali washing process, and the alkali washing effect is remarkably improved; water and salts in the crude nitro-aromatic hydrocarbon are removed in one step in a fiber filter element cooling and filtering mode, and the separation efficiency is high; the whole set of separation and purification device is a totally-closed system device, is small in occupied area and simple to operate, and the purification effect is remarkably improved compared with a conventional process.

The present application relates to a target recognition method, system, device, computer equipment and storage medium. The method includes: obtaining a depth image obtained by a preset binocular camera cruising and photographing a target scene; wherein, the target scene includes at least one target detection object; based on the position of the target detection object corresponding to the depth image, the target scene is divided into a preset number of recognition areas, and the preset zoom camera is configured with shooting parameters for each recognition area; the zoom camera is controlled to take close-up shots of each recognition area under the shooting parameters to obtain a corresponding close-up image; target recognition processing is performed on the target detection object in the close-up image to obtain recognition results for each target detection object in the target scene. The use of this method can effectively improve the efficiency and accuracy of identifying the detection objects in the target scene, which is conducive to reference and optimization of the subsequent activity behaviors of the target objects.

The invention discloses a preparation method of a high-purity vanadium electrolyte, particularly relates to a method for directly preparing the high-purity vanadium electrolyte from a high-acid vanadium-containing solution, and belongs to the technical field of hydrometallurgy. The method mainly comprises the steps of hydrogen peroxide-alkaline extractant synergistic extraction, catalyst catalysis hydrogen peroxide decomposition, sulfuric acid reextraction simple evaporation and concentration and the like. According to the method, only vanadium is extracted through synergistic extraction, impurity cations are not extracted, the vanadium purity of a loaded organic phase is improved, hydrogen peroxide is catalytically decomposed (the catalyst can be recycled), vanadium is reversely extracted through sulfuric acid, the procedures of reduction or oxidation and the like are omitted, material consumption and energy consumption are reduced, introduction of impurities is reduced, the purity of the obtained vanadium electrolyte is larger than 99.9%, and the impurity concentration is lower than 10 mg / L; compared with an existing vanadium-containing liquid vanadium purification and enrichment technology, the total vanadium recovery rate is increased by 10%-20%, the process is simplified by 50%, the production cost is reduced, the environment is protected, and the method has high application and popularization value.

The utility model relates to a kind of suspension bed frame and the suspension soft bed of application thereof, solve the problem that the supporting leg of bed frame or bed product is exposed and affects visual effect existing in prior art, the technical scheme used is: including bed board, the supporting leg of supporting bed board, and the bed backrest being set in the one end of the bed board, it is characterized in that the three edges of the bed board are provided with the bed frame enclosed by left side plate, right side plate and tail plate, the bed backrest closes the opening of the bed frame, the lower end of the bed frame is higher than the lower end of the supporting leg, and the bed frame hides the supporting leg.Its effect: by bed backrest and bed frame cooperation, so that bed frame or bed product is used, supporting leg is hidden in the interior of bed frame, not bare, form "suspension" effect, to improve the overall quality of bed frame, bed product and bed product use space.

The present invention discloses a test method, device, equipment and medium for link training of PCIe devices. The method comprises: obtaining a configuration file, wherein the configuration file comprises a test time, a type of device to be tested and the number of devices to be tested, and the test device comprises a PCIe device; obtaining the address of the device to be tested according to the number of devices to be tested and the type of device to be tested, and obtaining the slot of the device to be tested according to the address of the device to be tested; modifying the power supply state of the slot of the device to be tested to cyclically perform link training of the PCIe device, and generating a test report according to the link information of the PCIe device. The embodiment of the present invention can realize the automated test of link training of PCIe devices, saving the manpower and material resources required for testing; at the same time, it can control the training of a single / multiple PCIe devices at the same time, saving the test cost, and improving the test efficiency and accuracy. Furthermore, the technical solution of the present invention can automatically generate a test report at the end of the training, so that the staff can understand the test process conveniently.

This invention relates to the field of flue gas pollution control technology in coal-fired power plants, and discloses a method for total pollutant emission reduction in an environmental protection island based on morphological transformation and residual compensation. The method includes: acquiring real-time operating data of a smart environmental protection island in a coal-fired power plant, generating a time-series feature vector, and setting inlet boundary conditions; constructing a pollutant morphological transformation mechanism model for each environmental protection subsystem, inputting relevant data and inlet boundary conditions, and calculating the theoretical baseline concentration of pollutants; using an LSTM as an error-compensated prediction model, after training with historical data, inputting the current operating condition time-series feature vector to obtain the concentration prediction residual value, obtaining the deviation between the historical training conditions and the current operating conditions, calculating the confidence factor, and generating a mixed pollutant prediction concentration; finally, using ammonia injection flow rate and other factors as optimization variables, setting constraints, and constructing an objective function with the lowest total cost to obtain the optimal control parameter set, thereby achieving optimized control and pollutant emission reduction of the environmental protection subsystem. This invention significantly improves the pollutant emission reduction effect.

The invention discloses a conveying device and a conveying system.The conveying device comprises a solid tray conveying assembly, an empty tray conveying assembly, a first conveying assembly, a second conveying assembly and a first push-pull assembly, and the empty tray conveying assembly is arranged on the lower side of the solid tray conveying assembly; the first conveying assembly has a first state in butt joint with the solid tray conveying assembly and a second state in butt joint with the empty tray conveying assembly, the first push-pull assembly is arranged on the lower side of the empty tray conveying assembly and can reciprocate in the conveying direction of the empty tray conveying assembly, and the conveying device is configured to respond to the first conveying assembly to be switched to the second state. In the second state, the first conveying assembly and the empty tray conveying assembly are arranged in a staggered mode in the conveying direction of the empty tray conveying assembly, and the first push-pull assembly can drive the empty trays on the first conveying assembly to the empty tray conveying assembly. The conveying device can improve the overall logistics efficiency and the automation level, and manual intervention can be reduced.

This utility model discloses an outdoor unit for an air conditioner, comprising: a casing; a partition; a compressor; a heat exchange component; an outdoor fan; and an electrical control box. The electrical control box includes: a control box body; a circuit board; a power module; a refrigerant radiator connected to the heat exchange component, used to dissipate heat from the power module; and a heat dissipation substrate disposed within the control box body and located on the side of the refrigerant radiator closest to the circuit board, used for heat conduction between the power module and the refrigerant radiator. The heat dissipation substrate includes: an insulating main board with a heat dissipation area corresponding to the power module; and a heat dissipation component, which is a sheet metal component disposed on the insulating main board and located within the heat dissipation area. Therefore, by designing this outdoor unit, material consumption of the heat dissipation component can be reduced while ensuring heat dissipation effect, and the creepage distance problem can be solved, thereby improving economy and safety.

The present application relates to the technical field of noble metal production, and discloses a drying method for preparing beta-type ruthenium trichloride, which adopts a drying and stirring device and comprises the following steps: step 1, beta-type ruthenium trichloride solution is added into a tank; step 2, a driving motor drives a stirring shaft to stir the solution at a rotating speed of 150-180 r / min, and meanwhile, an infrared lamp is used to heat the solution until the solution is skinned; step 3, when the solution is skinned, the rotating speed of the driving motor is adjusted to 100-120 r / min, the infrared lamp continues to heat, and the solution is slurried; step 4, when the solution is slurried, the rotating speed of the driving motor is adjusted to 50-80 r / min, the infrared lamp continues to heat, and the solution is agglomerated. Different rotating speeds of the motor are adopted at different stages of the material, the heat transfer efficiency of the material is ensured, the drying efficiency is accelerated, and the material consumption and energy consumption are reduced.

The invention relates to the technical field of calcium hydroxide preparation, and particularly discloses a preparation method of high-purity nano calcium hydroxide, which comprises the following steps: a digestion link, a crushing link and a dehydration link, by optimizing raw material selection and treatment flow and controlling the purity of calcium oxide, the problem of unstable purity possibly caused by external purchase of raw materials is avoided. Meanwhile, an efficient purification technology is adopted in the preparation process, impurities are further removed, it is ensured that the purity of the final product high-purity nano calcium hydroxide reaches the extremely high level, and the strict requirements of the high-end application field are met. The production cost is effectively reduced while the high quality of the product is kept.

The application discloses a method for continuously preparing high-purity sulfolane, and belongs to the technical field of organic synthesis. By introducing a solvent and a stable free radical type polymerization inhibitor, the self-polymerization of butadiene is effectively inhibited. By adopting a cooling crystallization mode to remove sulfur dioxide, the thermal decomposition of sulfolene sulfone is avoided, high yield and high purity are realized, the service life of a hydrogenation catalyst is not affected, and the catalyst can be completely reused. The cooling crystallization also realizes the separation of the polymerization inhibitor and sulfolene sulfone. The polymerization inhibitor is dissolved in the solvent and recycled, and does not enter the hydrogenation system, so that the final sulfolane product has a purity of above 99.9% and has no chromaticity problem. The process saves energy consumption, the solvent has wide universality, operation is simple, the process is safe and environment-friendly, easy to scale up, and meets the green production requirements.

The utility model relates to the technical field of scraper knives, and discloses a scraper knife for a pancake machine capable of preventing knife sticking, which comprises a scraper knife and a rotary driving part used for driving the scraper knife to rotate, a cavity is arranged in the scraper knife, a rotary groove is arranged on the top wall of the cavity in a penetrating manner, a guide rod is rotatably connected in the rotary groove, and a support is fixedly connected to the inner wall of the cavity. A gear is rotationally connected to the side wall of the support, a tooth groove is formed in the outer wall of one end of the guide rod and meshed with the gear, a rotary vane is fixedly connected to the outer wall of the gear, and a first air pipe and a second air pipe are fixedly connected to the upper surface of the scraper knife; the guide rod driven by starting is installed on the scraper knife, so that when the scraper knife scoops up a pancake, the rotating guide rod is used for guiding the pancake, the pancake cannot be adhered to the scraper knife, gas used for starting the guide rod to rotate enters the cavity in the guide rod at the same time, the scraper knife is cooled, and the pancake can be conveniently and rapidly scooped up. Furthermore, the phenomenon that the pancake is adhered to the scraper knife is further avoided, so that the pancake is conveniently made, and the quality of the pancake is guaranteed.

The invention discloses a substance exploration scheme iterative generation system and method, and relates to the technical field of substance exploration scheme generation. The material exploration scheme iteration generation system is provided with a Controller layer, a Service layer, a robot and workstation gateway, at least one workstation, at least one robot, a DAO layer and an algorithm analysis and parameter optimization module. According to the invention, full-process automatic closed loop from task parameter submission, instruction generation, equipment cooperative execution, data storage to model training and formula prediction is realized, manual intervention is not needed, manpower input and material consumption are reduced, experiment efficiency and result accuracy are improved, traceability of experiment data and system stability are guaranteed, and the system is suitable for large-scale popularization and application. The problems that in a traditional material science experiment, manual experience is relied on, task issuing and instruction conversion efficiency is low, errors are prone to occurring, experimental data collection and analysis are lagged, and parameter optimization lacks an automatic mechanism are solved.

A PK polymerization solvent recovery system comprises a dehydrating tower, a heavy component removing tower and a solvent rectifying tower, an inlet is formed in the middle of the side wall of the dehydrating tower and connected with a crude solvent source, a tower top discharge port of the dehydrating tower flows back to the top of the dehydrating tower through a dehydrating tower condenser and a dehydrating tower return tank to discharge process water, and a bottom discharge port of the dehydrating tower supplies materials to the heavy component removing tower. A tower top discharge port of the heavy component removal tower is refluxed to the top of the heavy component removal tower through a heavy component removal tower condenser and a heavy component removal tower return tank, materials are supplied to the solvent rectifying tower, a tower top discharge port of the solvent rectifying tower is refluxed to the top of the solvent rectifying tower through a solvent rectifying tower condenser and a solvent rectifying tower return tank, and light components are discharged. And a tower bottom discharge port of the solvent rectifying tower is used for discharging the solvent. The device is simple in structure and convenient to operate, the solvent N-methyl pyrrolidone in the crude solvent and the residual catalyst palladium element can be effectively recycled, and the PK production cost is effectively reduced.

The present invention relates to a process for efficiently treating cold-rolled chromium-containing wastewater, and belongs to the technical field of wastewater treatment. The present invention mixes nano titanium dioxide doped with divalent iron, sodium borohydride, polyimide and sodium sulfite to prepare a composite material, and through the synergistic effect of multiple components, the hexavalent chromium in the wastewater can be effectively reduced to trivalent chromium, and removed from the wastewater by precipitation; the present invention uses Kevlar fiber as a substrate, and combines graphene oxide by physical adsorption and chemical bonding to form a stable composite membrane structure, further improves the efficiency and purification effect of wastewater treatment, reduces the chromium content in the wastewater, and makes it meet the emission standard; the present invention combines the steps of grid, regulating tank, ceramic membrane, modified nanofiltration membrane and ozone sterilization, ensures the environmental protection and high efficiency of the treatment process, and reduces the energy consumption and material consumption in the treatment process through reasonable process design and operation control, and reduces the treatment cost.

The invention relates to the technical field of flue gas treatment, in particular to a flue gas ultra-low emission system and method based on chemical looping combustion, and the flue gas ultra-low emission system comprises an in-furnace in-situ desulfurization unit, a cyclone separator, a nitrogen oxide removal unit, a dust removal unit, an out-furnace desulfurization unit and a recirculation unit which are connected in sequence in the flue gas flowing direction; wherein the nitrogen oxide removal unit is arranged in a flue between the cyclone separator and the dust removal unit; and part of recycled flue gas treated by the dust removal unit and / or the recycling unit is at least used for diluting or atomizing a denitration reducing agent in the nitrogen oxide removal unit, and / or returns to a chemical looping coal feeding system. According to the invention, through creative connection relations and medium circulation paths among the units, the beneficial effects of ensuring carbon capture advantages, efficiently purifying special pollutants, realizing internal circulation integration of the system, having good economy and the like are generated.

Provided are an early pregnancy testing pen casing and an early pregnancy testing pen. The early pregnancy testing pen includes an early pregnancy testing pen casing, a test strip (3), and a water absorption piece (4). The early pregnancy testing pen casing includes a first casing body (1) and a second casing body (2). The second casing body (2) is divided into a functional section (21) and a handheld section (22) arranged in a length direction of the second casing body (2). The first casing body (1) is opposite to the functional section (21) so that an accommodating space for accommodating the test strip (3) is formed between the first casing body (1) and the functional section (21). The accommodating space has an opening for the water absorption piece (4) located in the accommodating space to extend out of the early pregnancy testing pen casing through the opening. The handheld section (22) is used for being held by a user, and the handheld section (22) does not overlap the first casing body (1). The present application reduces the material consumption.

The utility model relates to an air cooling box body for a gas water heater and the gas water heater. The air cooling box body comprises an inner shell, an outer shell, an air cooling cavity formed between the inner shell and the outer shell, and a partition piece arranged in the air cooling cavity. According to the air-cooled box body disclosed by the utility model, the air-cooled chamber is conveniently separated by placing the separator in the air-cooled chamber, and the air outlet group is arranged at the position, opposite to the separator, of the inner shell, and at least one air inlet group is arranged at the position, opposite to the separator, of the outer shell, so that the air-cooled chamber is conveniently separated. And the separator and the inner shell or the outer shell are integrally formed, so that a double-layer air flow channel can be realized on the premise of not increasing the number of parts, the procedures of assembling the whole machine are reduced, the whole machine is convenient to install, and the difficulty and the cost of a part production process are reduced.

The invention provides a biotin fermentation process optimization control method, system and device and a storage medium, and relates to the technical field of biotin ferment.The optimization control method comprises the steps that in the biotin fermentation process, basic data of a fermentation control system is obtained; the basic data comprises temperature data in the fermentation tank, monitoring data reflecting the state of fermentation liquor and dissolved oxygen concentration data in the fermentation liquor; based on the basic data, corresponding control processes are executed respectively; the control process comprises a temperature control process, a pH value dynamic prediction control process and a dissolved oxygen multi-parameter cascade control process. According to the method, the stability of the production process is integrally enhanced, the automation level and the product consistency are improved, the dependence on artificial experience is reduced through closed-loop intelligent cooperative operation of the three processes, a highly stable environment is created for thallus growth and product synthesis, and the production efficiency is improved. Therefore, the final yield, purity and reproducibility among production batches of biotin B5 are directly improved, and comprehensive energy consumption and material consumption are reduced.

The invention provides a method for detecting a straight fluted tap through polarization imaging based on deep learning. Comprising the following steps: S1, collecting multi-polarization angle images of the straight fluted tap under different shooting azimuth angles by using a polarization camera, and forming a data set; and de-noising the image, enhancing the contrast ratio and performing matching calibration by using an RDN neural network to obtain a polarization degree image and a polarization angle image. S2, marking images of the training set and the verification set, including abrasion, defect areas and features of the screw tap, training Mask R-CNN based on an ImageNet pre-training model, analyzing training indexes, and selecting an optimal weight file; and S3, the Mask R-CNN model detects defect and wear information in the test set and segments key features. And S4, performing mask extraction on the segmented image, performing calibration measurement by using the segmented mask, and calculating the size. And S5, detecting and screening unqualified products. According to the invention, an efficient, accurate and reliable solution can be provided for detecting the straight fluted taps in the manufacturing industry.