32 results about "Improper Temperature" patented technology

The invention belongs to the technical field of cell culture, and particularly relates to an intelligent chimeric cell culture cabin which is characterized by comprising an outer cabin body and a culture mechanism mounted above the outer cabin body, the fan rotates to suck air outside the device into the culture cabin through the air inlet, and in the process of blowing the air into the culture cabin, the heating pipe can heat the sucked air to increase the temperature of the air, so that the temperature of the air sucked into the device adapts to the temperature required by cell culture, and the situation that cell culture is affected by improper temperature is avoided; the sucked air is discharged out of the device through the air outlet after being circulated in the culture cabin body, so that the air in the culture cabin body can be circulated, meanwhile, waste gas generated by culturing cells in the culture cabin body is taken away, and angle openings of the air dissipation openings are staggered, so that the air discharged from the air dissipation openings can face different angles, and the air dissipation effect is improved. And the situation that the blown airflow faces the same angle and is too intense is avoided.

The invention relates to the technical field of intelligent express management, and discloses a community intelligent express management method and system, and the method comprises the steps: obtaining the historical travel behavior data, express pickup behavior data and address information of community residents, constructing a multi-express cabinet deployment space model, and outputting a delivery cabinet candidate set; determining a target cabinet number; pushing warehousing state data to residents; a long-short-term memory network is adopted for temperature prediction, and temperature is regulated and controlled in combination with parcel temperature control requirements. Compared with an express cabinet distribution method based on a static address or a fixed path in the prior art, the technical problem that efficient cabinet grid scheduling and environment adaptation are difficult to realize particularly under the conditions that multiple express cabinets exist in a community and resident travel habits are diversified is solved. A better express delivery decision is realized, so that the problems of mistaken delivery, delayed delivery or improper temperature control of the express delivery are avoided, and the delivery accuracy and the package safety are improved.

The invention relates to the technical field of heat preservation meal furnaces, in particular to an intelligent control method and system for a heat preservation meal furnace for a cafeteria, and the method comprises the steps: installing a radio frequency identification tag in the heat preservation meal furnace, and achieving the unique identification of each dish; and the radio frequency identification tag sends the stored dish information to the data acquisition module, so that the real-time performance and the accuracy of the dish information are ensured. The data analysis module carries out deep analysis on the dish information, can recognize the characteristics of different dishes, and provides a basis for making a personalized temperature and humidity control strategy. According to the analysis result, a temperature and humidity control strategy suitable for the dishes is made, and it is ensured that the dishes can be kept in the optimal state in the heat preservation process. The temperature and humidity in the heat preservation meal furnace are monitored in real time, the heat preservation strategy is adjusted in time, and the situation that the quality of dishes is reduced due to improper temperature and humidity is avoided.

The invention discloses a fluidized bed dryer with an automatic temperature adjusting function, and relates to the technical field of fluidized bed dryers, the fluidized bed dryer comprises a drying assembly for drying grains, the drying assembly automatically feeds and discharges the grains, and meanwhile, the heating uniformity of the grains during drying is guaranteed; a detection assembly for sealing the top of the drying assembly is detachably arranged at the upper end of the drying assembly, the detection assembly seals the drying assembly to avoid leakage of grains in the drying assembly, and the detection assembly automatically samples and detects the grains in the drying barrel; an air inlet assembly for ventilating the interior of the drying barrel is detachably arranged at the lower end of the drying assembly, the ventilation temperature on the air inlet assembly is automatically adjusted according to the drying degree of grains in the drying barrel, the highest utilization efficiency of heat is guaranteed, meanwhile, drying of the grains is affected by improper temperature, the drying efficiency of the grains is improved, energy is saved, and the energy-saving effect is achieved. And the grains are automatically dried.

The utility model relates to the technical field of fault monitoring of injection mold cooling systems, in particular to a fault monitoring system of a plastic injection mold cooling system, which comprises a sensor module for acquiring pressure, temperature and flow information in a cooling pipeline; the control module is used for analyzing and processing the acquired data and controlling the system; the alarm module sends an alarm signal; the sensor module is installed in the cooling pipeline, the output end of the sensor module is connected with the input end of the control module, the first output end of the control module is connected with the input end of the alarm module, and the second output end of the control module is connected with a control device of the cooling system. According to the utility model, faults of the cooling system are detected and processed in time, so that the production problem caused by improper temperature control can be effectively avoided, and the injection molding production quality and efficiency can be improved.

The invention provides a dry-type iron core reactor coil resin anti-cracking method, and relates to the technical field of dry-type iron core reactor preparation, and the method comprises the following steps: configuring a mold system, carrying out resin pre-curing treatment, carrying out dynamic stress compensation curing, and carrying out demolding treatment. According to the invention, the mold system comprising the elastic buffer layer, the radial adjustable slide block group and the partition temperature control system is configured, and a complete process chain of vacuum pouring-gradient temperature control pre-curing-dynamic stress compensation curing-temperature control demolding is combined, so that the internal stress generated by the difference between the shrinkage rate of resin and the shrinkage rate of a metal framework or a wire can be effectively relieved; local stress concentration caused by rigid mold constraint is reduced, the problem of uneven curing caused by improper temperature gradient control is solved, and the problem of resin cracking caused by stress concentration in a traditional process is solved on the whole.

The invention provides an intelligent temperature control system for an automobile part die-casting die, relates to the field of automobile part manufacturing, and aims to solve the problems that traditional manual temperature control is low in efficiency and poor in precision and cannot meet modern production requirements easily. The system comprises a temperature monitoring, control and execution mechanism and a human-computer interaction interface. The temperature monitoring module is calibrated by a standard platinum resistor temperature source and a least square method to ensure that the measurement is accurate and the deviation meets the requirement, acquires the temperature and converts the temperature into an electric signal, and transmits the electric signal to the temperature control module in the control cabinet of the die-casting machine through a shielded twisted pair. According to the stored die-casting process parameters, a cooling medium flow regulating valve of an executing mechanism regulates the flow speed, and a heating device controls the temperature in a partitioned mode. The man-machine interaction interface supports local and remote operation, displays data in real time and receives instructions, and finally effectively avoids the defects of mold sticking, shrinkage cavities, cracks, poor flowability and the like caused by improper temperature of the casting.

The utility model provides an efficient mixing machine for a synthetic rubber composite material, belongs to the technical field of efficient mixing machines, and solves the technical problems that sedimentation and caking are easy to occur in the existing rubber mixing work, and side reaction is easy to occur due to improper temperature control. The device is provided with a premixing cavity and a mixing cavity, a premixing assembly is arranged in the premixing cavity, the premixing assembly is connected with a power assembly, the premixing assembly comprises a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are rotationally connected with the premixing cavity, a plurality of stirring blocks are connected to the first rotating shaft and the second rotating shaft, and a plurality of filtering holes are formed in the side wall of the bottom of the premixing cavity. A mixing assembly is arranged in the mixing cavity and comprises a mixing motor, the output end of the mixing motor is connected with a third rotating shaft, the third rotating shaft is connected with a mixing block, and the outer walls of the premixing cavity and the mixing cavity are both connected with a temperature control device. The high-efficiency mixer can be widely applied to the technical field of high-efficiency mixers.

The utility model discloses seam beautifying agent filling equipment with an automatic constant temperature control function, which comprises an equipment base, a first linear guide rail is arranged on the equipment base, a sliding seat is arranged at the movable end of the first linear guide rail, and a tank body for filling seam beautifying agents is arranged on the sliding seat; the filling structure is arranged above the equipment base, and the filling end of the filling structure corresponds to the position of the tank body on the sliding seat; the constant-temperature barrel is arranged above the filling structure, and the constant-temperature barrel communicates with the filling end of the filling structure through a heat preservation pipeline; and the interior seam beautifying agent is subjected to constant-temperature treatment through the constant-temperature barrel and is filled through the filling structure. The constant-temperature barrel and the electric heating plate arranged in the equipment can effectively control the temperature of the seam beautifying agent, and it is ensured that the seam beautifying agent is filled at the optimal temperature; and constant-temperature treatment is beneficial for improving the flowability of the seam beautifying agent, so that the filling accuracy and efficiency are improved, and the problem of blockage or non-uniform filling caused by improper temperature is solved.

The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet with a temperature adjusting function, which comprises a cabinet body and an integrated control system, a cabinet door is movably mounted on one side of the front end of the outer surface of the cabinet body through a hinge, a temperature sensor I is mounted at the upper part of the front end of the outer surface of the cabinet door, and a one-way air valve is mounted at the lower part of the front end of the outer surface of the cabinet door; ventilation openings are formed in the lower portions of the two sides of the outer surface of the cabinet body, a first filter screen is fixedly installed on the inner surface of the cabinet body through the ventilation openings, and a second temperature sensor is installed on the lower portion of the rear end of the inner surface of the cabinet body. The temperature adjusting mode of the power distribution cabinet can be selected in a targeted manner based on the influence of the external environment temperature, the problem that a traditional ventilation structure is not beneficial to controlling the temperature in the cabinet according to the surrounding environment temperature is avoided, and the temperature adjusting effect of the power distribution cabinet in different environments can be guaranteed; and potential safety hazards caused by uncomfortable temperature adjustment of the power distribution cabinet are reduced.

The present application relates to the technical field of heat-insulating dining stoves, and in particular to an intelligent control method and system for heat-insulating dining stoves for self-service restaurants, including installing a radio frequency identification tag in the heat-insulating dining stove to achieve unique identification of each dish. The radio frequency identification tag sends the stored dish information to the data acquisition module to ensure the real-time and accuracy of the dish information. The data analysis module conducts an in-depth analysis of the dish information, and can identify the characteristics of different dishes, providing a basis for formulating personalized temperature and humidity control strategies. Based on the analysis results, a temperature and humidity control strategy suitable for the dish is formulated to ensure that the dish can maintain the best condition during the heat-insulating process. By real-time monitoring of the temperature and humidity in the heat-insulating dining stove, the heat-insulating strategy can be adjusted in time to avoid the quality degradation of the dish due to improper temperature and humidity.

The invention relates to the technical field of drying machines, in particular to a rake type vacuum drying machine with a built-in micro-grinding function. The drying cavity mechanism comprises an outer cylinder fixedly connected to the upper end face of the base. The space between an outer barrel and an inner barrel is divided into two heating areas and two transfer areas through a separation ring, an input assembly and an output assembly in the drying cavity mechanism, and meanwhile the space between the outer barrel and the inner barrel is also divided into a plurality of mounting areas through the separation ring; therefore, the temperature and the crushing effect of different crushing stages are controlled by the subsequent heat cycle assembly and the blocking assembly, and the problems of insufficient crushing or excessive drying and the like of materials caused by improper temperature are effectively avoided. And meanwhile, the output assembly can flexibly suck out liquid in the current heating area according to the real-time crushing effect and drying degree of the materials and replace a matched heat-conducting medium, dynamic circulation and precise regulation and control of the heat-conducting liquid are achieved, and therefore the stability and consistency of the material treatment effect at different stages are guaranteed.

The invention belongs to the technical field of 3D printing, and particularly relates to a hot bed and nozzle synergistic heating method used in a 3D printing process, which comprises the following steps: determining a preset temperature of a substrate, heating to the temperature, and then setting and heating a nozzle to a temperature higher than the temperature of the substrate so as to ensure material fluidity. After the nozzle reaches the target temperature, the substrate temperature is monitored and kept stable, and the heating rate is adjusted according to the nozzle temperature feedback to ensure that the nozzle temperature is constant. Before construction, the heating intensity of the substrate is dynamically adjusted according to the difference value between the current temperature of the substrate and the preset temperature. In addition, in the construction process, nozzle heating parameters are corrected in real time, and temperature consistency is ensured. According to the method, through accurate control and dynamic adjustment of the temperatures of the base plate and the spray head, the forming quality and the printing efficiency of a 3D printing piece are effectively improved, the printing failure rate caused by improper temperature control is reduced, and therefore the printing effect is optimized.

The invention relates to the technical field of freezing control, in particular to a pipe roof freezing method dynamic control system which comprises a temperature detection device, the temperature detection device comprises a plurality of hard balls connected through a connecting rope, and a puncturing mechanism and a self-power-generating mechanism are arranged in each hard ball. The self-power-generating mechanism generates current to supply power to the temperature sensing element based on the action of the puncturing mechanism on the liquid storage ball, the function of automatically activating the temperature sensing element when the soil reaches the preset freezing temperature is achieved, and therefore unnecessary energy consumption is reduced; the freezing wall thickness of different depths is calculated by monitoring the temperature values of different depths in the inspection hole and the monitoring hole in real time, precise regulation and control of the power of the refrigeration compressor are achieved, the freezing efficiency and safety are improved, and the risks of environmental influence and structural damage caused by improper temperature control are reduced.

The utility model discloses a dust collection device for a Markov sliding table saw, which comprises a saw table, a support frame is connected to a frame body of the saw table, a collection cover for protection is connected to the support frame, an air delivery pipe is connected to the collection cover, and the end part of the air delivery pipe is connected to one side of the top of a box body. According to the dust collection device for the Markov sliding table saw, high temperature can accelerate abrasion of a cutter, the service life of the cutter is shortened, inappropriate temperature can cause oxidative damage to the edge of a cutting edge and even possibly cause fracture of the cutting edge, and an overheated saw blade can cause workpiece quality problems such as burning loss, deformation and discoloration of a cutting surface. Especially for some materials with high temperature sensitivity, the safety of an operator can be reduced due to an overheated cutter, and the center of the cutter can be softened and even a cutting edge is broken due to high temperature.

This invention provides a method for preventing resin cracking in dry-core reactor coils, relating to the field of dry-core reactor manufacturing technology. The method includes configuring a mold system, performing resin pre-curing, dynamic stress-compensated curing, and demolding. By configuring a mold system comprising an elastic buffer layer, a radially adjustable slider group, and a zoned temperature control system, combined with a complete process chain of vacuum casting – gradient temperature-controlled pre-curing – dynamic stress-compensated curing – temperature-controlled demolding, this invention effectively alleviates the internal stress caused by the difference in shrinkage rates between the resin and the metal skeleton or conductors, reduces localized stress concentration caused by rigid mold constraints, and improves the problem of uneven curing caused by improper temperature gradient control. This comprehensively solves the resin cracking problem caused by stress concentration in traditional processes.

The invention discloses coating equipment of a TOPCon battery front surface film layer structure, relates to the technical field of photovoltaic cells, and aims to solve the technical problem that existing coating equipment of a TOPCon battery front surface film layer structure is poor in gas input effect. The rhythm that a gaseous precursor enters the reaction chamber is precisely regulated and controlled, so that the problem that the reaction degree is difficult to precisely control through traditional continuous gas inlet is fundamentally solved, the uniformity and compactness of the structure of a front film layer are ensured, and various key performance indexes of the battery are powerfully improved; on the other hand, the water is removed by utilizing the vibration force generated when the steel balls collide with the inner wall of the inner rotary drum, and an electric heating mode with high energy consumption and complicated temperature control is abandoned, so that the production cost is reduced, the adverse effect on the reaction caused by improper temperature control is avoided, the stable operation of the equipment is ensured, and the coating defects caused by the water are reduced; and a reliable guarantee is provided for high-quality coating.

The invention relates to a temperature control traditional Chinese medicine packaging bottle heat preservation distribution box, and aims to solve the problem of improper temperature control in the traditional Chinese medicine distribution process and ensure the medicine effect. The heat preservation box comprises a cover plate hasp, a heat preservation shell, a heat preservation partition plate, an LED digital display, an infrared temperature measurement sensor, a hollow grid lining, a magnetron and the like. The magnetron is installed at the bottom, and the traditional Chinese medicine packaging bottle is heated through manual or program control. The heat preservation partition plate is integrated with temperature monitoring equipment, and real-time monitoring is achieved. The design of the hollow grid lining accords with human engineering, and the hollow grid lining is convenient to take. The design improves the delivery efficiency, ensures that the traditional Chinese medicine is delivered within the optimal drug effect temperature range, and provides an effective solution for modern delivery of the traditional Chinese medicine.

This invention relates to the field of intelligent express delivery management technology, and discloses a community intelligent express delivery management method and system. The method includes: acquiring historical travel behavior data, express delivery pickup behavior data, and address information of community residents; constructing a multi-express locker deployment spatial model; outputting a candidate set of delivery lockers; determining the target locker number; pushing inbound status data to residents; and using a long short-term memory network for temperature prediction and adjusting the temperature based on package temperature control requirements. Compared to existing express locker allocation methods that are mostly based on static addresses or fixed paths, especially in communities with multiple express lockers and diverse resident travel habits, this invention addresses the technical problem of difficulty in achieving efficient locker scheduling and environmental adaptation by using behavioral prediction modeling and a multi-target locker matching strategy. This achieves better express delivery decisions, thereby avoiding problems such as misdelivery, delayed delivery, or improper temperature control, and improving delivery accuracy and package security.

The invention belongs to the technical field of ferrous metallurgy, and particularly relates to a method for predicting the temperature of molten steel in a tundish stopper rod area through numerical simulation, by means of the method, temperature distribution in a tundish can be rapidly and accurately predicted, production delay caused by temperature uncertainty on site is reduced, and the production efficiency is improved. And energy and material waste caused by improper temperature control is avoided, so that the production cost is reduced, and the production efficiency is improved. Meanwhile, safety accidents caused by abnormal temperature can be prevented, safety production is guaranteed, and a safer working environment is provided for field workers.

The invention provides an improved urea sampling device, which relates to the technical field of urea sampling devices, and comprises an intelligent sampling module, a multistage temperature control transmission module, an online processing analysis module, a self-cleaning control module and an energy efficiency optimization module. Anti-crystallization total cross-section sampling is achieved by arranging the intelligent sampling module, the problems that an existing device is limited in sampling point coverage range and insufficient in sample representativeness are solved, the overall working condition in a urea production main pipeline can be truly reflected, and meanwhile the multi-stage temperature control transmission module, the self-cleaning control module and the like are combined; according to the device, crystallization blockage caused by improper temperature control in the sampling process is avoided, the sampling continuity is guaranteed through cooperative work of all the modules, the sampling accuracy and energy efficiency are improved, and the defects of an existing device in the aspects of accuracy, continuity and energy efficiency are effectively overcome.

The utility model discloses a tobacco material temperature measuring device which comprises a storage assembly, a fixing assembly and a temperature measuring assembly. The storage assembly comprises a barrel body and a cover plate, an opening is formed in the top of the barrel body, the cover plate blocks the opening, and a plurality of through holes are formed in the cover plate; the fixing assembly comprises a fixing ring and a fixing buckle, the fixing ring is arranged on the peripheral wall of the can body in a sleeving mode, the fixing buckle is rotationally connected with the fixing ring, and the fixing buckle is used for fixing the cover plate; the temperature measuring assembly is inserted into the barrel body through the through hole. During use, an operator firstly places a tobacco material to be subjected to heat preservation into the barrel body, then seals the opening of the barrel body with the cover plate to prevent heat loss, and rotates the fixing buckle to enable the fixing buckle to abut against the top of the cover plate, so that the cover plate is fixed; then, the temperature measuring assembly is inserted into the barrel body through the through hole so as to measure the temperature of the tobacco materials in the barrel body and monitor the temperature change in the barrel body in real time, the tobacco materials to be subjected to heat preservation can be effectively prevented from being damaged due to improper temperature, and stable quality is ensured.

The application discloses a kind of mechanical welding management systems based on artificial intelligence, and the application relates to welding management technical field, including data acquisition module, further including scheme generation module, quality evaluation module, correction scheme module, temperature control module and pipe quality analysis module, further including recycling module and effectiveness index module, the advantages of the present application are that: through correction scheme module, corresponding remedy method can be analyzed for different welding defects and generate correction scheme, welding defects can be effectively repaired, the final qualified degree of welded article is improved, temperature control module can ensure that welding process is carried out under suitable temperature conditions, avoid welding defects caused by improper temperature, pipe quality analysis module can further improve welding quality, intuitively understand the welding results after optimization processing, recycling module helps to realize the rational use of resources in welding process, reduce cost and reduce waste.

The invention relates to the technical field of biological collection storage equipment, in particular to a self-expansion cascade ultralow-temperature refrigeration house for biological collection insect killing, which comprises a refrigeration house body, a refrigeration system, a control system and an insect killing program. Through cooperative work of the R404A high-temperature-stage refrigeration system and the R23 low-temperature-stage refrigeration system in the refrigeration system, the effect of rapidly reducing the room temperature in a refrigeration house body is achieved, the requirement of insect killing for low-temperature impact is met, stable control over start-stop or mode switching is achieved through self-expansion pressure reduction of an expansion tank arranged in the cascade refrigeration unit, and the control over the low-temperature impact is achieved. By means of direct cooperative arrangement of a PID regulator, a PLC and a temperature and humidity sensor in the control system, refrigeration parameters are dynamically regulated and controlled, the situation that the insecticidal effect is affected by temperature and humidity fluctuation is avoided, meanwhile, the situation that collections are damaged due to improper temperature control is avoided, and by arranging corresponding heating devices at an observation window and a humidifier, the overall operation reliability of the refrigeration house is improved.

The invention relates to the field of chip production, in particular to a diffusion furnace temperature control method and device for chip production, equipment and a medium. The method comprises the following steps: by acquiring the chip data of the chip to be processed and the unprocessed technology, the system can accurately determine the required processing temperature based on the information, and the data-based temperature setting mode is more accurate than the traditional manual setting or fixed temperature setting mode; according to the invention, each chip can be processed at the temperature most suitable for the characteristics and process requirements of the chip, and further, the accurate processing temperature is beneficial to improving the production quality of the chip and reducing the defective rate caused by improper temperature. Meanwhile, automatic temperature control and processing plan generation can accelerate the production process, reduce manual intervention and waiting time, and improve the overall production efficiency while reducing the labor cost in the chip diffusion process.

The utility model discloses a paper pulp viscosity regulator, which belongs to the technical field of pulping and papermaking, and adopts the technical scheme that the paper pulp viscosity regulator comprises a regulating tank, the top of the regulating tank is fixedly connected with a feed port, the top of the inner side of the regulating tank is fixedly connected with a temperature regulating mechanism, and the bottom of the inner side of the regulating tank is rotatably connected with a viscosity measuring mechanism; a discharging opening is formed in the bottom of the adjusting tank, an opening and closing valve is fixedly connected to the bottom of the discharging opening, a discharging pipe is fixedly connected to the bottom of the opening and closing valve, and a heating pipe in the temperature adjusting mechanism is arranged in a limiting hole in the inner wall of a storage disc and can directly heat paper pulp in the storage disc; by means of the technical scheme, the uniform heating effect on paper pulp can be achieved, the local overheating or supercooling phenomenon is avoided, the temperature of the paper pulp is accurately adjusted, the temperature of the paper pulp reaches the temperature range suitable for the follow-up production process, the performance indexes such as the viscosity of the paper pulp can be stabilized, the paper production quality is guaranteed, and abnormal change of the viscosity of the paper pulp caused by improper temperature is avoided.

The invention discloses a pet food freeze-drying device, which belongs to the technical field of freeze-drying, and comprises a control system, and a vacuum system, a cold trap and a drying system which are in communication connection with the control system. Through the intelligent temperature control technology, the fuzzy self-adaptive PID control algorithm is applied, the heating and cooling power is automatically adjusted according to material characteristics and real-time temperature data to achieve accurate control over the temperature, it is ensured that temperature changes can accurately meet the freeze-drying requirements of different materials, the temperature control accuracy is improved to + / -0.5 DEG C, and the freeze-drying efficiency is improved. The problem of quality damage caused by improper temperature control of materials is effectively avoided, and high purity, high activity and high stability of freeze-dried products are guaranteed.

The invention discloses an automatic temperature control heat preservation furnace and an automatic temperature control heat preservation system, and relates to the field of catering equipment. The automatic temperature control heat preservation furnace comprises a heat preservation furnace body, a temperature adjusting device and a communication module; the heat preservation furnace body is used for containing food. The communication module is used for receiving the suggested optimal temperature issued by the server; the server stores suggested optimal temperatures corresponding to different cooking modes of each meal in advance, and the server is used for sending the corresponding suggested optimal temperatures to the communication module according to the meal and the cooking mode selected by an operator; the temperature adjusting device is used for adjusting the temperature in the heat preservation furnace body according to the suggested optimal temperature issued by the server. The temperature in the heat preservation furnace can be automatically adjusted to the optimal heat preservation state suitable for meals, the precision of temperature control in the heat preservation furnace is improved, the situation that the taste and nutrition of the meals are affected due to improper temperature is avoided, and the quality of the meals is effectively improved.

The invention relates to the technical field of casting, in particular to a large steel casting molten steel filtering device which comprises a shell and a filter screen. The shell is of an annular cavity structure, and a central liquid outlet hole is formed in the shell; a central groove is formed along the outer side of the circumference of the central liquid outlet hole and is used for fixing the filter screen; a liquid inlet is formed in the side face of the annular cavity structure in the tangential direction. Molten steel enters from the side inlet of the filter device, flows along the inner wall of the shell, gradually fills the whole cavity, is filtered by the annular filter screen and then flows out from the central liquid outlet hole. Under the condition of continuous pouring of large-tonnage molten steel, stable work of a filtering system can be ensured, inclusions are effectively intercepted, and meanwhile casting defects caused by improper temperature and flow speed control are avoided.

The auxiliary box comprises an open container and a cover body which is arranged at the top of the open container and seals the open container, a heating layer, a water film uniform temperature layer and a retention layer are sequentially arranged in the open container from bottom to top, the heating layer is arranged at the bottom and the periphery of the water film uniform temperature layer in a wrapping mode, and the retention layer is arranged at the bottom of the water film uniform temperature layer. The water film uniform temperature layer uniformly diffuses the temperature generated by the heating layer to the retention layer, and the retention layer is used for placing pigeon fertilized eggs; and a humidifier is also arranged at the top in the open container. According to the pigeon hatching auxiliary box, temperature fluctuation is buffered through the water film uniform temperature layer, temperature dead angles are eliminated, and a stable temperature environment is created for embryo development; meanwhile, accurate cooperative control over temperature and humidity can be achieved, damage to embryos due to improper temperature and humidity is reduced, and the hatching success rate of pigeons is increased.